AmaliaM, Sapriya S. 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). ICEE [Internet]. 2021Apr.12 [cited 2024Apr.25];3(1):398-04. Available from: http://proceedings.upi.edu/index.php/icee/article/view/1492