Idrus, Taufiqurrahman, Muhammad Ainul Yaqin, M. Kom, Layla Qomariah, & Rahma Nur Ardinna Putri. " Metrik Kompleksitas Desain Database Relasional." Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) [Online], 3.1 (2019): [090-096]. Web. 1 Dec. 2020