Abdullah, M. S., and S. Ismail. “Kesensitifan Terhadap Makanan, Inhalens Dan Produk Lebah Dalam Kalangan Penduduk Bandar Dan Penduduk Orang Asli Di Tanjong Malim, Perak: Sensitivity to Food, Inhalents and Bee Products Among the Urban and Indigenous People in Tanjong Malim, Perak”. Journal of Science and Mathematics Letters, vol. 3, no. 2, Jan. 2019, pp. 22-32, https://ejournal.upsi.edu.my/index.php/JSML/article/view/428.