The Initial Process of Dam Construction is Seen from a Topographical Perspective (Bench Mark Coordinates and Control Point Coordinates): Case study of D.I. Bajayu Kab Serdang Bedagai . International Journal of Innovative Research in Computer Science & Technology, [S. l.], v. 11, n. 2, p. 34–37, 2023. DOI: 10.55524/ijircst.2023.11.2.7. Disponível em: https://journals.acspublisher.com/index.php/ijircst/article/view/10272. Acesso em: 3 apr. 2025.