Kashefia H, Ismail Z, Mohammad Yusof Y. Using Blended Learning to Support Students Thinking Powers in Multivariable Culculus. SH [Internet]. 2011 Dec. 15 [cited 2024 Dec. 20];57(1). Available from: https://sainshumanika.utm.my/index.php/sainshumanika/article/view/214