Soekarno, Siswoyo, Ilham Firmansyah, Hendy Firmanto, and Soni Sisbudi Harsono. “Evaluation of Breaking and Deshelling Machine of Roasted Cocoa Beans”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 13, no. 1 (February 21, 2024): 213–222. Accessed November 26, 2025. https://jurnal.fp.unila.ac.id/index.php/JTP/article/view/6645.