APA (7th ed.) Citation

Hendriana, H., Johanto, T., & Sumarmo, U. (2018). The Role of Problem-Based Learning to Improve Students' Mathematical Problem-Solving Ability and Self Confidence. Journal on Mathematics Education, 9(2), 291.

Chicago Style (17th ed.) Citation

Hendriana, Heris, Tri Johanto, and Utari Sumarmo. "The Role of Problem-Based Learning to Improve Students' Mathematical Problem-Solving Ability and Self Confidence." Journal on Mathematics Education 9, no. 2 (2018): 291.

MLA (9th ed.) Citation

Hendriana, Heris, et al. "The Role of Problem-Based Learning to Improve Students' Mathematical Problem-Solving Ability and Self Confidence." Journal on Mathematics Education, vol. 9, no. 2, 2018, p. 291.