Hashim, M., Ismail, W. R., Che Ngah, M. S. Y., Nayan, N., Saleh, Y. and Said, Z. M. (2011) “Trend Luahan Tahunan di LembanganSungai Perak 1915-2006: Sungai Perak’s Catchment Yearly Discharge Trend 1915-2006”, Perspektif Jurnal Sains Sosial dan Kemanusiaan, 3(2), pp. 53–63. Available at: https://ojs.upsi.edu.my/index.php/PERS/article/view/1599 (Accessed: 22 November 2024).