Purnama PZ, Budiharti N, PriyasmanuT. RANCANG BANGUN MESIN OVEN KOPI DENGAN PRINSIP QFD DAN ERGONOMI . valtech [Internet]. 2020Sep.16 [cited 2024May1];3(2):25-1. Available from: https://ejournal.itn.ac.id/index.php/valtech/article/view/2763