Nainggolan, Fikriyah Arfina, Anna Tirawani Ambarita, Agustatius Sitepu, Keleng Ate Ginting, and Layari Tarigan. 2025. “Implementation of JKN Mobile Application-Based Health Services in Reducing Queues at the Karang Anyer Health Center Beringin District Deli Serdang Regency”. JURNAL KESMAS DAN GIZI (JKG) 7 (2):311-18. https://doi.org/10.35451/jkg.v7i2.2679.