Saputro, S. D., Faizah, S., Ramdani, N. A., Andika, D. and Gunawan, R. A. (2024) “Implementation of Value Stream Mapping to Increase PT RCI’s Productivity and Efficiency”, Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), 7(3), pp. 8795-8803. doi: 10.31538/iijse.v7i3.5697.