Figure 5. Results of post-test test I and trial II

From

Development of Teaching Materials Based on Metacognition Approach to Improve Mathematical Ability Students in State 17 Middle Medan

Sri Wulandari, Amin Fauzi, Wamington Rajagukguk

American Journal of Educational Research. 2018, 6(11), 1589-1592 doi:10.12691/education-6-11-20