Sabri, N. F., Z. Othman, M. Marzuki, and N. Nayan. “Analisis Kesesuaian Kawasanbagi Penanaman Buah-Buahan Di Perlis, Malaysia: Area Suitability Analysis for Fruit Cultivation in Perlis, Malaysia”. Perspektif Jurnal Sains Sosial Dan Kemanusiaan, vol. 5, no. 3, Dec. 2013, pp. 92-102, https://ejournal.upsi.edu.my/index.php/PERS/article/view/1649.