Ishak, Noor Syamimi, et al. “Sejarah Banjir Besardi Semenanjung Malaysia, 1926-–1971: Flood History in Peninsular Malaysia, 1926–1971”. Perspektif Jurnal Sains Sosial Dan Kemanusiaan, vol. 6, no. 3, Dec. 2014, pp. 54-67, https://ejournal.upsi.edu.my/index.php/PERS/article/view/1674.