SAKKE, Nordin; ITHNIN, Hamirdin B.; CHE NGAH, Mohamad Suhaily Yusri. Aplikasi Kaedah Paras Ambang dalam Menentukan Peristiwa Kemarau di Lembangan Sungai Langat, Selangor, Malaysia: Application of Threshold Level Method in Determining Drought Events in The Sungai Langat Basin, Selangor, Malaysia. Perspektif Jurnal Sains Sosial dan Kemanusiaan, [S. l.], v. 7, n. 3, p. 47–58, 2015. Disponível em: https://ejournal.upsi.edu.my/index.php/PERS/article/view/1716. Acesso em: 14 may. 2025.