Dwi Rahmat Islami, Yuni Sulistyowati. Aplikasi Penjualan Pulsa Online Menggunakan Payment Gateway. jtim [Internet]. 2016 Jun. 14 [cited 2025 Dec. 5];8(1). Available from: https://jurnal.polinema.ac.id/index.php/jtim/article/view/1151