Nurwahyuningsih, N., Fadhila, P., Rakhmadevi, A., & Djamila, S. 2023 Oct 1. Analisis Efisiensi Flash Dryer Mesin Tipe Rak Pada Proses Pengeringan Daun Ungu (Graptophylum pictum Griff). Jurnal BETA (Biosistem dan Teknik Pertanian). [Online] 11:2