Kartika, Nurullaily, and Faiz Prawira Setiawan. “Lean Production Implementation on Coffee Beans Business”. Jurnal Manajemen Teori dan Terapan| Journal of Theoretical and Applied Management 13, no. 3 (December 6, 2020): 294–305. Accessed June 8, 2025. https://e-journal.unair.ac.id/JMTT/article/view/19577.