B. Soeswanto, N. Edi Wahyuni, G. Prihandini, Y. Pratama, T. Firmansyah, and D. Widyabudiningsih, “Effect of Process Variables and Zeolite Adsorbent in Coffee Bean Drying”, IJATR, vol. 4, no. 1, pp. 29-40, Apr. 2023.