Abdul Rahim, L., Hashim, M., Che Ngah, M. S. Y., Nayan, N. and Saleh, Y. (2014). Seepage water quality: A case study in Ulu Yam and Kuala Kubu Bharu, Selangor. Geografi, 2(1); 86-97.
Ahmadi, M., Ravanbakhsh, M., Ahmadi, K. and Ramavandi, B. (2015). Trend analysis of long-term water quality for Zohre River water, Iran. Pollution Research, 34(3); 489–496.
Ali, R., Kuriqi, A., Abubaker, S. and Kisi, O. (2019). Long-term trends and seasonality detection of the observed flow in Yangtze River using Mann-Kendall and Sen’s Innovative Trend Method. 1855. Water, 11(9); 1855.
Ang, K. H. (2015). The quality of water resources in Malaysia: An analysis. Geografia: Malaysian Journal of Society & Space, 11(6); 98–108.
Antonopoulos, V., Papamichail, D. and Mitsiou, K. (2001). Statistical and trend analysis of water quality and quantity data for the Strymon river in Greece. Hydrol. Earth Syst. Sci., 5(4); 679–691.
Camara, M., Jamil, N. R. and Abdullah, A. F. B. (2019). Impact of land uses on water quality in Malaysia: A review. Ecol. Process., 8(1); 1–10.
Cech, T. V. (2005). Principles of water resources: History, development, management, and policy (2nd ed.), John Wiley & Sons, London.
Che Ngah, M. S. Y., Reid, I. and Hashim, M. (2012). Rainfall trend analysis using 50 years historical data in newly developed catchment in Peninsular Malaysia. Middle East Journal of Scientific Research, 11(5); 668-673.
Faridah, O., Alaa Eldin, M. E. and Ibrahim, M. (2012). Trend analysis of a tropical urban river water quality in Malaysia. J. Environ. Monit., 14(12); 3164–3173.
Giri, S. and Qiu, Z. (2016). Understanding the relationship of land uses and water quality in twenty first century: A review. Journal of Environmental Management, 173; 41–48.
Irena, N., Noorul Hassan, Z., Sharif Moniruzzaman, S., Nurul Farahen, I. and Lavania, B. (2016). Effectiveness of water quality index for monitoring Malaysian River Water Quality. Pol. J. Environ. Stud., 25(1); 1–9.
Ismail, W. R. and Hashim, M. (2014). Changing trends of rainfall and sediment fluxes in the Kinta River catchment, Malaysia. IAHS-AISH Proceedings and Report, 367; 340–345.
Ismail, W. R., Bakar, S. & Rahaman, Z. A. (2013). Sediment and nutrient export by water from an agricultural catchment: An analysis of hysteresis patterns in the Upper Relau River, Penang. Geografi, 1(1); 74-101.
Izyan Munirah, M. Z., Suhaimi, S. and Norhayati, M. T. (2017). The evaluation of spatial variation of water quality in Sungai Setiu Basin, Terengganu. Sains Malaysiana, 46(9); 1513–1520.
Lento, J., Dillon, P. J. and Somers, K. M. (2012). Evaluating long-term trends in littoral benthic macroinvertebrate communities of lakes recovering from acid deposition. Environ. Monit. Assess., 184(12); 7175–7187.
Luo, P., He, B., Takara, K., Razafindrabe, B. H., Nover, D. and Yamashiki, Y. (2011). Spatiotemporal trend analysis of recent river water quality conditions in Japan. J. Environ. Monit., 13(10); 2819–2829.
Luo, P., Kang, S., Apip, Zhou, M., Lyu, J., Aisyah Siti, Binaya, M., Regmi, R. K. and Nover, D. (2019). Water quality trend assessment in Jakarta: A rapidly growing Asian megacity. PloS One, 14(7); 1–17.
Mahmoodi, N., Osati, K., Salajegheh, A. and Saravi, M. M. (2021). Trend in river water quality: Tracking the overall impacts of climate change and human activities on water quality in the Dez River Basin. J. Water Health, 19(1); 159-173.
Mahvi, A. H. and Razazi, M. (2005). Application of polyelectrolyte in turbidity removal from surface water. American Journal of Applied Sciences, 2; 397–399.
Mohamad Adam Omar, Zullyadini A. Rahaman and Wan Ruslan Ismail. (2018). Sediment and nutrient concentration from different land use and land cover of Bukit Merah Reservoir (BMR) Catchment, Perak, Malaysia. Geografi, 2(2); 52-65.
Mohd. Azlan, A. and Sarimah, S. (2002). Impact of development on water quality of Kerian River downstream. In. National Conference in Science, Technology and Social Sciences, 1–10.
Mohd. Suhaimi, A., Muhammad Ridwan, F., Mustaqqim, A. R. and Naimah, I. (2016). Impact of the combination of land use activities and seasons change on the water resources quality: Case study of North Canal, Kedah. Sains Malaysiana, 45(12); 1857–1867.
Mohd Harun, A. (2012). Principles in water analysis for environmental science, Universiti Malaysia Sabah Press, Kota Kinabalu Sabah.
Mustapha, A. (2013). Detecting surface water quality trends using Mann-Kendall tests and Sen’s slope estimates. International Journal of Agriculture Innovations and Research, 1; 108–114.
Naddafi, K., Honari, H. and Ahmadi, M. (2007). Water quality trend analysis for the Karoon River in Iran. Environ. Monit. Assess., 134; 305–312.
Nayan, N., Saleh, Y., Hashim, M., Mahat, H. and See, K. L. (2019). Investigating groundwater quality in the flood prone neighborhood area in Malaysia. Indonesian Journal of Geography, 51(2); 123-130.
Nur Hishaam, S., Mohd Khairul Amri, K., Ahmad Dasuki, M., Muhammad Azizi, A., Fazureen, A., Ismail Zainal, A. and Norsyuhada, H. (2015). Trend analysis of Pahang River using non-parametric analysis: Mann Kendall’s trend test. Malaysian Journal of Analytical Sciences, 19(6); 1327–1334.
Nurain, M. and Ang, K. H. (2015). Water quality of UTM River: A preliminary assessment based on six parameters of Water Quality Index. Geografia Malaysian Journal of Society and Space, 11(1); 107–115.
Ratnaningsih, D., Nasution, E. L., Wardhani, N. T., Pitalokasari, O. D. and Fauzi, R. (2019). Water pollution trends in Ciliwung River based on water quality parameter. IOP Conf. Ser.: Earth Environ. Sci., 407 (2019) 012006.
Saeed, T. U. and Attaullah, H. (2014). Impact of extreme floods on groundwater quality (in Pakistan). British J. of Environment & Climate Change, 4(1); 133–151.
Salam, M. A., Kabir, M. M., Yee, L. F., A/l Eh Rak, A. and Khan, M.S. (2019). Water quality assessment of Perak River, Malaysia. Pollution, 5(3); 637-648.
Spellman, F. R. (2008). The science of water (2nd ed.), CRC Press, New York.
Suhaimi, S., Norhayati, M. T., Lee, C. Y. and Siti Rohayu, A. R. (2006). Impact of monsoon on water quality in Besut River Basin, Terengganu. Malaysia Journal of Analytical Sciences, 10(1); 143–148.
Susilowati, S., Sutrisno, J., Masykuri, M. and Maridi, M. (2018). Dynamics and factors that affects DO-BOD concentrations of Madiun River. AIP Conf. Proc. 2049, D20052-1-D20052-6.
Tabari, H., Marofi, S. and Ahmadi, M. (2011). Long-term variations of water quality parameters in the Maroon River, Iran. Environ. Monit. Assess., 177(1–4); 273–287.
Taheri Tizro, A., Ghashghaie, M., Georgiou, P. and Voudouris, K. (2014). Time series analysis of water quality parameters. Journal of Applied Research in Water and Wastewater, 1(1); 40-50.
Zhai, X., Xia, J. and Zhang, Y. (2014). Water quality variation in the highly disturbed Huai River Basin, China from 1994 to 2005 by multi-statistical analyses. Science of the Total Environment, 496; 594–606.