Mineral Water Cup Cap Removal Machine to Increase Productivity of plastic collector entrepreneurs: Mesin Pelepas Tutup Gelas Air Mineral untuk Meningkatkan Produktifitas  pengusaha pengepul pastik. DJPKM [Internet]. 2025 Oct. 30 [cited 2026 Oct. 6];9(5):1435-42. Available from: https://journal.unilak.ac.id/index.php/dinamisia/article/view/24070