I. Ilhamsyah, A. Y. Rahman, and I. Istiadi, “Klasifikasi Kualitas Biji Kopi Menggunakan MultilayerPerceptron Berbasis Fitur Warna LCH : Coffee Bean Quality Classification Using MultilayerPerceptron Based on LCH Color Feature”, J. RESTI (Rekayasa Sist. Teknol. Inf.) , vol. 5, no. 6, pp. 1008–1017, Dec. 2021, doi: 10.29207/resti.v5i6.3438.