Rasyid, R.; Agustan, A. T. P.; Aryuni, V. T.; Maru, R.; Mufiana, I.; Soamole, H. Validity of Environmental Education E-Module Based on Education for Sustainable Development Using Flipcreator Platform to Develop Environmental Awareness in Geography Education Students at Khairun University. J. Appl. Sci. Eng. Technol. Educ. 2024, 6, 105-117.