Eliyin, Ilma Fitri, Mahyudin Ariga. The Effect of The Number of Coffee Purchases On The Income of Drying Workers In CV. Oro Coffee Gayo In Central Aceh District. IJSTM [Internet]. 2022 Jan. 9 [cited 2026 Jul. 17];3(1):31-40. Available from: https://ijstmjournal.com/index.php/ijstm/article/view/447