Nudang S, Busamsai V, Ditjaroen S. The Guidelines for Enhancing the Value of Plastic Bottle Caps Waste via Recycle Techniques, in Accordance with the Principles of Circular Economy. J.Humanities Social Sciences [internet]. 2024 Dec. 25 [cited 2026 Sep. 13];7(6):3280-99. available from: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/271749