Implementation of JKN Mobile Application-Based Health Services in Reducing Queues at the Karang Anyer Health Center Beringin District Deli Serdang Regency. JKG [Internet]. 2025 Aug. 11 [cited 2025 Sep. 9];7(2):311-8. Available from: https://ejournal.medistra.ac.id/index.php/JKG/article/view/2679