Surahman, Surahman, Bachtiar Rifai S, and Novelia Kiki Permatasari. “Work Productivity in the Digital Payment Era: The Roles of the Pospay Application, Competition, and Electronic Service Quality”. Jurnal Mantik 10, no. 2 (August 30, 2026): 298-306. Accessed September 23, 2026. http://www.ejournal.iocscience.org/index.php/mantik/article/view/7192.