Samsuriah 2019. IMPLEMENTASI CHECKER SP(P)BE & SPPEK PT PERTAMINA (PERSERO) STUDI KASUS : PT. BATARA SURINDO WAJO) DOMESTIC GAS REGION VII MAKASSAR PROVINSI SULAWESI SELATAN. Jurnal Informatika Progres. 11, 2 (Sep. 2019), 83-88. DOI:https://doi.org/10.56708/progres.v11i2.150.