Trimurtini, Waluya S, Sukestiyarno Y, Kharisudin I. Effect of Two-Dimensional Geometry Learning on Geometric Thinking of Undergraduate Students During the COVID-19 Pandemic. JHETP [Internet]. 2023 Feb. 23 [cited 2024 Nov. 23];23(3). Available from: https://articlegateway.com/index.php/JHETP/article/view/5848