Samosir, B. Y. G., Rahmah, D. M. and Januardi (2026) “Analisis Rantai Nilai Industri Kopi Menggunakan Metode Value Stream Mapping (VSM) Pada PT X”, Journal of Industrial Innovation and Safety Engineering, 3(2), pp. 65–73. doi: 10.35718/jinseng.v3i2.1194.