1.
Adeniji SM, Baker P. Worked-examples instruction versus Van Hiele teaching phases: A demonstration of students’ procedural and conceptual understanding. j. math. educ. [Internet]. 2022 Aug. 31 [cited 2024 Dec. 21];13(2):337-56. Available from: http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/61