Erfe, A. C. A validation of the van Hiele levels of thinking in learning high school geometry.
Chicago Style (17th ed.) CitationErfe, Adelina Cabanting. A Validation of the Van Hiele Levels of Thinking in Learning High School Geometry.
MLA (9th ed.) CitationErfe, Adelina Cabanting. A Validation of the Van Hiele Levels of Thinking in Learning High School Geometry.
Warning: These citations may not always be 100% accurate.