Ivana Wulandari, Albertus Sentot Sudarwanto, and Hari Purwadi. “Issues Of The Land Office In Determining Land Rights On Duplicate Certificates”. International Journal of Educational Research & Social Sciences 5, no. 1 (February 28, 2024): 50–55. Accessed May 15, 2025. https://ijersc.org/index.php/go/article/view/769.