APA (7th ed.) Citation

Safitri, D., Napitupulu, E. E., & Khairani, N. Development of Problem-Based Learning Teaching Materials to Improve Mathematical Problem Solving Ability and Self-Efficacy Students. UIN Sunan Gunung Djati Bandung.

Chicago Style (17th ed.) Citation

Safitri, Dhiena, E. Elvis Napitupulu, and Nerli Khairani. Development of Problem-Based Learning Teaching Materials to Improve Mathematical Problem Solving Ability and Self-Efficacy Students. UIN Sunan Gunung Djati Bandung.

MLA (9th ed.) Citation

Safitri, Dhiena, et al. Development of Problem-Based Learning Teaching Materials to Improve Mathematical Problem Solving Ability and Self-Efficacy Students. UIN Sunan Gunung Djati Bandung.

Warning: These citations may not always be 100% accurate.