Concept design of smart low-cost and small-scale coffee roaster based on renewable energy utilization for SMEs in Indonesia Coretan Draft Penelitian Concept design of smart low-cost and small-scale coffee roaster based on renewable energy utilization for SMEs in Indonesia admin May 20, 2022 Tujuan utama dari penelitian ini adalah untuk merancang alat sangrai kopi berbasis energi terbarukan yang cerdas-skala kecil,... Read More Read more about Concept design of smart low-cost and small-scale coffee roaster based on renewable energy utilization for SMEs in Indonesia