Raharjo, B. and Agustini, F. 2020. Metode Forward Chaining pada Sistem Pakar Penilaian Kualitas Biji Kopi Berbasis Web. International Journal of Natural Science and Engineering. 4, 2 (Oct. 2020), 73–82. DOI:https://doi.org/10.23887/ijnse.v4i2.28578.