Econ & Mgt

Author	Link
Dr. Kamaludin	https://substanceabusepolicy.biomedcentral.com/articles/10.1186/s13011-019-0208-3
Shafie Sharif	https://platform.almanhal.com/Reader/Article/38084
	http://www.sra.so/wp-content/uploads/2022/01/Budi-Ilmu.pdf