[1]
Hafif, B. et al. 2020. Productivity Improvement of Smallholder Coffee Plantation to Prevent the Expansion of the Plantation into Protected Forest. International Journal on Advanced Science, Engineering and Information Technology. 10, 4 (Aug. 2020), 1737–1742. DOI:https://doi.org/10.18517/ijaseit.10.4.11204.