Suyuthi, Muyassar Allam, et al. “Sistem Ketertelusuran Kopi Spesialti Berbasis Teknologi Informasi (Studi Kasus: Rantai Pasok CV Frinsa Agrolestari)”. Jurnal Keteknikan Pertanian, vol. 11, no. 1, June 2023, pp. 116-27, https://doi.org/10.19028/jtep.011.1.116-127.