Samala AD, Dewi IP, Mursyida L. "E-LabSheet Project" 4Cs-Based Supplementary Media for Flexible Learning: Is it Well Implemented?. Int. J. Onl. Eng. [Internet]. 2023 Jan. 17 [cited 2024 Apr. 26];19(01):pp. 4-20. Available from: https://online-journals.org/index.php/i-joe/article/view/35523