“Efektifitas Fermentor Fuzzy Digital Terhadap Kualitas Mutu Biji Kopi”. Jurnal Ilmiah Teknologi Pertanian Agrotechno, vol. 6, no. 2, Oct. 2021, pp. 80-84, https://doi.org/10.24843/JITPA.2021.v06.i02.p05.