Pristiani, T., Rozci, F. and Indah, P. N. (2025) “Marketing Efficiency Analysis of Robusta Coffee Commodity in Dampit District, Malang Regency”, Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), 8(2), pp. 5602-5615. doi: 10.31538/iijse.v8i2.6137.