PANGGABEAN, Josua Toren Pratama; SIHOMBING, Tunggul; GINTING, Simson. Implementation of the Simparas Program: Challenges and Opportunities for Public Services in Sitinjo District, Dairi Regency, North Sumatra Province. Journal of Social Interactions and Humanities, [S. l.], v. 5, n. 2, p. 293–310, 2026. DOI: 10.55927/jsih.v5i2.15. Disponível em: https://journaljsih.my.id/index.php/jsih/article/view/15. Acesso em: 14 aug. 2026.