Adri, Helmia Tasti, Yudianto SA, Annisa Mawardini, and Afridha Sesrita. 2020. “Using Animated Video Based on Scientific Approach to Improve Students Higher Order Thinking Skill”. Indonesian Journal of Social Research (IJSR) 2 (1), 9-17. https://doi.org/10.30997/ijsr.v2i1.23.