Misndari, A., Wulan, R. and Usmeldi, U. 2020. The Development of Research-Based Learning Devices to Enhance Grade X Students’ Critical Thinking Skills in Learning Physics. International Journal of Educational Dynamics. 2, 2 (Dec. 2020), 66-72. DOI:https://doi.org/10.24036/ijeds.v2i2.289.