Soekarno, Siswoyo, Edy Suharyanto, and ArifAhmad Hudi. 2014. “Sieving Effect of Sorting Machine With Vibration Table Type on Cacao Pod Based Compost”. Jurnal Keteknikan Pertanian 23 (2). https://doi.org/10.19028/jtep.023.2.%p.