Fibrian ID, Utomo TP, Lukmana I, Muttaqin Z. Architectural Consideration for Gamified Learning Systems: An Exploration of Offline-First Progressive Web Application. Register: Jurnal Ilmiah Teknologi Sistem Informasi [Internet]. 2026 Jan. 29 [cited 2026 Feb. 19];11(2):139-50. Available from: https://journal.unipdu.ac.id/index.php/register/article/view/5087