1.
Pratama LD, Setyaningrum W. GBL in Math Problem Solving: Is it Effective?. Int. J. Interact. Mob. Technol. [Internet]. 2018 Oct. 29 [cited 2024 Nov. 24];12(6):pp. 101-111. Available from: https://online-journals.org/index.php/i-jim/article/view/8658