KUSUMAWATI, I. . The application of an electronic payment system as an effort to facilitate service. PERSPEKTIF: Sudut Pandang Lintas Pengetahuan, [S. l.], v. 1, n. 1, p. 821–825, 2022. Disponível em: https://www.ojs.pseb.or.id/index.php/rd/article/view/414. Acesso em: 7 oct. 2026.