Ivana Wulandari, Sentot Sudarwanto, A. and Purwadi, H. 2024. Issues Of The Land Office In Determining Land Rights On Duplicate Certificates. International Journal of Educational Research & Social Sciences . 5, 1 (Feb. 2024), 50–55. DOI:https://doi.org/10.51601/ijersc.v5i1.769.