APA (7th ed.) Citation

Chai, Z. F., & Swanto, S. B. (2020). The Effects of Environmental Problem-based Learning Method on Malaysian Primary ESL Learners’ Vocabulary Achievement.

Chicago Style (17th ed.) Citation

Chai, Zachary Farouk, and Suyansah Bin Swanto. The Effects of Environmental Problem-based Learning Method on Malaysian Primary ESL Learners’ Vocabulary Achievement. 2020.

MLA (9th ed.) Citation

Chai, Zachary Farouk, and Suyansah Bin Swanto. The Effects of Environmental Problem-based Learning Method on Malaysian Primary ESL Learners’ Vocabulary Achievement. 2020.

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