Choiriyah M, Perdana Sriyansyah S, Ponco Sumanto N. Providing STEM Opportunities Skill Through Making Biodegradable Plastic Projects in Extracurricular Activities. KSS [Internet]. 2024 Apr. 3 [cited 2025 Feb. 6];9(8):797–806. Available from: http://thrillriftranks.com/index.php/KnE-Social/article/view/15651