Nirmala, Indah, and Hendarman Lubis. 2020. “SISTEM INFORMASI PRAKTEK KERJA LAPANGAN DI PT. BAKRIE PIPE INDUSTRIES”. JURNAL REKAYASA INFORMASI 8 (2), 102-10. https://ejournal.istn.ac.id/index.php/rekayasainformasi/article/view/399.