Fitri Siti Nurjanah, Yuda Permana, Falaah Abdussalaam, Jaenal Arifin. Web Based Incoming and Outgoing Mail Management Information System with CodeIgniter Framework: (Case Study : Rancaekek District). Digitalzone [Internet]. 2021Oct.23 [cited 2024May5];12(2):147-59. Available from: https://journal.unilak.ac.id/index.php/dz/article/view/7495