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