1.
Wutchana U, Emarat N. Students’ Understanding of Graphical Vector Addition in One and Two Dimensions. Int J Phys & Chem Ed [Internet]. 2011 Aug. 25 [cited 2024 Dec. 9];3(2):102-11. Available from: https://www.ijpce.org/index.php/IJPCE/article/view/195