“THE EFFECTIVENESS OF THE SIMKAH APPLICATION IN MARRIAGE REGISTRATION ADMINISTRATION AT THE OFFICE OF RELIGIOUS AFFAIRS (KUA) OF BATUMANDI SUB-DISTRICT, BALANGAN REGENCY” (2025) Journal of Development Administrations Thinking Understand: Public and Business Administration (DATU), 2(1), pp. 85–94. doi:10.36658/datu.v2.i1.1297.