Derisfy F, Gebrina L, Annisa S. Information System Design for Water Maintenance Activities at PT. Rezeki Surya Intimakmur. Knowbase: Int. J. Knowl. Database [Internet]. 2021 Jun. 30 [cited 2026 May 20];1(1):69-78. Available from: https://ejournal.uinbukittinggi.ac.id/ijokid/article/view/5104