Abdullah, S., & Abdullah, M. R. (2013). Facilitating students' Geometric thinking through Van Hiele's phase based learning using Tangram. Universiti Malaysia Sabah.
Chicago Style (17th ed.) CitationAbdullah, Sopiah, and Mohamad Razali Abdullah. Facilitating Students' Geometric Thinking Through Van Hiele's Phase Based Learning Using Tangram. Universiti Malaysia Sabah, 2013.
MLA (9th ed.) CitationAbdullah, Sopiah, and Mohamad Razali Abdullah. Facilitating Students' Geometric Thinking Through Van Hiele's Phase Based Learning Using Tangram. Universiti Malaysia Sabah, 2013.
Warning: These citations may not always be 100% accurate.