Razi, Hafierul Hafiz Md, Roslly, Khairil Adam, Jurimi, Salehhuddin, AND Sharkawi, Sharizan. "Why does waste Separation at Source Initiative (SSI) did not fully commission in Malaysia? An exploratory preliminary study" Journal of Entrepreneurship, Business and Economics [Online], Volume 10 Number 2 (25 September 2022)