ISMAIL, Wan Ruslan; BAKAR, Salleh; A. RAHAMAN, Zullyadini. Sediment and nutrient export by water from an agricultural catchment: An analysis of hysteresis patterns in the Upper Relau River, Penang: Eksport Sedimen dan Nutrien dari Kawasan Tadahan Pertanian: Satu Analisis Pola Histeresis di Ulu Sungai Relau, Pulau Pinang. GEOGRAFI, [S. l.], v. 1, n. 1, p. 74–101, 2013. Disponível em: https://ejournal.upsi.edu.my/index.php/GEOG/article/view/295. Acesso em: 13 may. 2025.