Masengi, Sammy Andro. “Digital Collaboration-Based Public Service Transformation Through The Ula Application”. Journal Research of Social Science, Economics, and Management 5, no. 5 (December 23, 2025): 9382–9391. Accessed December 23, 2025. https://jrssem.publikasiindonesia.id/index.php/jrssem/article/view/1245.