Land Topography Measurement of the Ibnu Al-Mubarok Islamic Boarding School, Rumbai District, Pekanbaru City. DJPKM [Internet]. 2023 Oct. 29 [cited 2026 Apr. 8];7(5):1385-91. Available from: https://journal.unilak.ac.id/index.php/dinamisia/article/view/14905