“Analisis Rantai Nilai Industri Kopi Menggunakan Metode Value Stream Mapping (VSM) Pada PT X”. Journal of Industrial Innovation and Safety Engineering 3, no. 2 (June 4, 2026): 65–73. Accessed November 2, 2026. https://journal.itk.ac.id/index.php/jinseng/article/view/1194.