Nugraheni, Kanthi, Heru Kuswanto, and Jumadi Jumadi , trans. 2024. “Developmet of Android E-Book Forms of Energy to Improve Students’ Critical Thinking and Mathematical Representation Skills”. International Journal of Scientific Research and Management (IJSRM) 12 (09): 3578-88. https://doi.org/10.18535/ijsrm/v12i09.el01.