Mohd Najib, S.A., A. Rahaman, Z. and Ismail, W.R. 2018. Perubahan Kepekatan Sedimen dan Histerisis Semasa Kejadian Ribut Di Lembangan Sungai Ara dan Sungai Relau, Pulau Pinang: Sediment Concentration Changes and its Concentration during Storm in Some Southwest Penang River Basin. GEOGRAFI. 2, 1 (Dec. 2018), 42–52.