AmaliaM., & SapriyaS. (2021). The Effect of Applying Blended Learning using WhatsApp Group on Students Critical Thinking Skills in Online Learning in Elementary Schools (Pre- Experimental Study of Social Sciences in The Fourth Grade of SDN Cibabat 5). International Conference on Elementary Education, 3(1), 398-404. Retrieved from http://proceedings.upi.edu/index.php/icee/article/view/1492