1.
Kado ., Dem N. Effectiveness of GeoGebra in Developing the Conceptual Understanding of Definite Integral at Gongzim Ugyen Dorji Central School, in Haa Bhutan. AJESS [Internet]. 15Sep.2020 [cited 20Sep.2020];10(4):60-5. Available from: https://journalajess.com/index.php/AJESS/article/view/30276