P, Rizaldy, Muhammad Taufik, and Mansur M. “NALISA ESALAHAN INIER ERANGKA ONTROL ORIZONTAL ENGAN ENGGUNAKAN ISUAL ASIC 6.0”. GEOID 5, no. 1 (August 1, 2009): 028–033. ccessed December 6, 2025. https://journal.its.ac.id/index.php/geoid/article/view/1279.