Trondillo, Mark Jude F.Tuling, Ryan Art M.2026-08-242023Trondillo, M.J. F., & Tuling, R. A. M. (2023). Land and water conservation engineering [Instructional module, Davao del Sur State College]. Davao del Sur State College Institutional Repository.https://hdl.handle.net/20.500.14578/382enBook