Optimalisasi Efisiensi Operasional Melalui Inovasi Proses di Industri Daur Ulang Plastik UMKM. jse [Internet]. 2025 Oct. 10 [cited 2026 May 3];10(4). Available from: http://jse.serambimekkah.id/index.php/jse/article/view/1383