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), 85-94. https://doi.org/10.36658/datu.v2.i1.1297