Andriani, Tika, Nuriya Hazma Arifatul Ulya, Tina Putri Alfiana, Shervina Solicha, Salsa Bila Ayustiana Hafsari, & Naufal Ishartono. " Improving Student’s Critical Thinking Skill in Mathematics Through Geogebra-Based Flipped Learning During Pandemi Covid-19: an Experimental Study." Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang [Online], 6.1 (2022): 49-66. Web. 9 Aug. 2025