APA (7th ed.) Citation

Leong, K., & Tan, J. (2015). Assessment of secondary students’ mathematical competencies.

Chicago Style (17th ed.) Citation

Leong, K.E, and J.Y Tan. Assessment of Secondary Students’ Mathematical competencies. 2015.

MLA (9th ed.) Citation

Leong, K.E, and J.Y Tan. Assessment of Secondary Students’ Mathematical competencies. 2015.

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