Haliza Abdul Rahman, Sakinah Harith, and Hasmah Abdullah, ISU PERSEKITARAN DAN KESIHATAN DI MALAYSIA. Penerbit UTHM, 2012. Accessed: Jul. 18, 2024. [Online]. Available: https://penerbit.uthm.edu.my/omp/index.php/penerbituthm/catalog/book/87