Carolina, R., Hamzani, U., Fahmi, M., Helmi, S. M., & Dosinta, N. F. (2025). Analysis of Internal Control System of Electronic Resident Id Card Production Service (KTP-EL) at Selimbau District Office . Buletin Poltanesa, 26(1). https://doi.org/10.51967/tanesa.v26i1.3384