Vincensius Rapar, Pedro, and Gladly Caren Rorimpandey. “Penerapan Teknologi Optical Character Recognition Pada Layanan Pendataan Pengunjung Di PT. Pertamina Geothermal Energy Area Lahendong”. Innovative: Journal Of Social Science Research, vol. 3, no. 6, Dec. 2023, pp. 6484-96, https://j-innovative.org/index.php/Innovative/article/view/6920.