Andriani, Tika, 		Ulya, Nuriya, 		Alfiana, Tina, 		Solicha, Shervina, 		Hafsari, Salsa, AND 		Ishartono, Naufal.
" Improving Student’s Critical Thinking Skill in Mathematics Through Geogebra-Based Flipped Learning During Pandemi Covid-19: an Experimental Study" <em>Journal of Medives : Journal of Mathematics Education IKIP Veteran Semarang</em> [Online], Volume 6 Number 1 (21 January 2022)