Syukrie Mohd Nasir, Shafii H, Md Yassin A. Establishing of Conceptual Model of Separation of Waste at the Source (SAS). ijscet [Internet]. 2022 Jan. 19 [cited 2024 Jul. 18];12(5):343-51. Available from: https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/10580