Mohd. Zin, Ab. Aziz. 1995. “Sasaran Dakwah Non-Muslim Di Malaysia: Suatu Kajian Tentang Keadaan Orang Asli Di Perkampungan Orang Asli Ulu Kuang, Gombak, Selangor”. Jurnal Usuluddin 2 (December):143-53. https://ejournal.um.edu.my/index.php/JUD/article/view/2955.