Fitriani F, Kuswadi D. Lampung Smallhoders Coffee Farmer’s Economics Vulnerability Sources In Upstream Watersheds: LAMPUNG SMALLHODERS COFFEE FARMER’S ECONOMICS VULNERABILITY SOURCES IN UPSTREAM WATERSHEDS. JPPT [Internet]. 2022 Dec. 30 [cited 2026 Sep. 17];22(3):205-1. Available from: https://jurnal.polinela.ac.id/index.php/jppt/article/view/2286