SITUMORANG, B.; GUNAWAN, R. .; HERLINA, H. “Answering the challenges of healthcare services: A study of the effectivness of mobile JKN as a BPJS digital innovation in Sibolga 2025”. Journal of Midwifery and Nursing, [S. l.], v. 7, n. 3, p. 433-440, 2025. DOI: 10.35335/jmn.v7i3.6519. Disponível em: https://iocscience.org/ejournal/index.php/JMN/article/view/6519. Acesso em: 10 oct. 2026.