Mustari Mustari and Sajaruddin 2021. Rancang Bangun Alat Mesin Potong Batu Gunung Tipe Serpin. Jurnal Informasi, Sains dan Teknologi. 4, 2 (Dec. 2021), 62–69. DOI:https://doi.org/10.55606/isaintek.v4i2.7.