Development Interactive Flipbook-Based E-Modules in Soil Mechanics Learning at the Civil Engineering Department of Universitas Negeri Padang. Vomek [Internet]. 2025 Feb. 28 [cited 2026 May 2];7(1):141-52. Available from: http://vomek.ppj.unp.ac.id/index.php/vomek/article/view/834