Yap, P. (2014). van Hiele Levels of Thinking Predict Students' Mathematics Grade. JPAIR, 18(1), 93-105. https://doi.org/10.7719/jpair.v18i1.296
Chicago Style (17th ed.) CitationYap, Purisima. "Van Hiele Levels of Thinking Predict Students' Mathematics Grade." JPAIR 18, no. 1 (2014): 93-105. https://doi.org/10.7719/jpair.v18i1.296.
MLA (9th ed.) CitationYap, Purisima. "Van Hiele Levels of Thinking Predict Students' Mathematics Grade." JPAIR, vol. 18, no. 1, 2014, pp. 93-105, https://doi.org/10.7719/jpair.v18i1.296.
Warning: These citations may not always be 100% accurate.