Indriani, Karlena, and Sudarmadi Sudarmadi. “SISTEM INFORMASI INVENTORY ALAT TULIS KANTOR (ATK) MENGGUNAKAN METODE WATERFALL (STUDI KASUS : OTORITAS JASA KEUANGAN (OJK))”. Jurnal Techno Nusa Mandiri 12, no. 1 (March 15, 2015): 69-76. Accessed September 22, 2019. http://ejournal.nusamandiri.ac.id/index.php/techno/article/view/499.