Rudyanta, Timotius. “Fenomena Penggunaan E-Wallet Di Kalangan Pengusaha Warung Makan Di Perkantoran Jakarta”. Jurnal Pewarta Indonesia 2, no. 1 (February 26, 2023): 41–48. Accessed November 10, 2025. http://www.pewarta.org/index.php/JPI/article/view/27.