Al Fattah, S. G., Isharyanto, I., & Maharani, A. E. P. (2026). Administrative Irregularities in the Land Registration Process as a Cause of the Issuance of Duplicate Certificates. International Journal of Pedagogical, Humanities and Social Studies, 1(4), 170–179. https://doi.org/10.66324/ijphss.v1i4.226