Ibnu, M., Offermans, A., & Glasbergen, P. (2020). Toward a more sustainable coffee production: the implementation capacity of Indonesian Standard Coffee (ISCoffee). Pelita Perkebunan (a Coffee and Cocoa Research Journal), 35(3), 212-229. https://doi.org/10.22302/iccri.jur.pelitaperkebunan.v35i3.361