Sabri, Nur Faizah, Zainudin Othman, Mazdi Marzuki, and Nasir Nayan. 2013. “Analisis Kesesuaian Kawasanbagi Penanaman Buah-Buahan Di Perlis, Malaysia: Area Suitability Analysis for Fruit Cultivation in Perlis, Malaysia”. Perspektif Jurnal Sains Sosial Dan Kemanusiaan 5 (3):92-102. https://ojs.upsi.edu.my/index.php/PERS/article/view/1649.