RahayuWiniati P, M Arpah, and Erika Diah. 2010. “Shelf Life Prediction and Isotherm Sorption Model of Dried Grain and Powdered Black Pepper (Piper Ningrum L.)”. Jurnal Teknologi Dan Industri Pangan 16 (1), 31. https://jurnal.ipb.ac.id/index.php/jtip/article/view/464.