HIDAYATULLOH, MOHAMMAD, et al. “RANCANG BANGUN ALAT SORTIR KUALITAS BUAH KOPI WONOSALAM BERBASIS IMAGE PROCESSING”. MULTITEK INDONESIA : JURNAL ILMIAH, vol. 17, no. 1, Sept. 2023, pp. 79-93, doi:10.24269/mtkind.v17i1.7542.