APA
Jihyun lee p., .Concept-focused and procedure-focused instruction on the algebra performance of grade 9 students with ang without mathematics diffculty. : .
Chicago
Jihyun lee phd, .Concept-focused and procedure-focused instruction on the algebra performance of grade 9 students with ang without mathematics diffculty. : .
Harvard
Jihyun lee p., .Concept-focused and procedure-focused instruction on the algebra performance of grade 9 students with ang without mathematics diffculty. : .
MLA
Jihyun lee phd, .: . .