Putra S, Istiqomah I, Gunawan D, Purnomo S. Analisis Pendapatan dan Nilai Tambah Industri Pengolahan Kopi : Pendekatan Metode Hayami. efficient [Internet]. 27Dec.2020 [cited 22Nov.2024];3(3):994-005. Available from: https://journal.unnes.ac.id/sju/efficient/article/view/43518