Sufianto S. The Effect of Contextual Teaching And Learning (CTL) Learning Model on The Ability Of Concept Understanding Class VII Students of SMP 16, Kota Bengkulu. JPMR [Internet]. 2019 May 30 [cited 2024 Apr. 28];4(1):19-28. Available from: https://ejournal.unib.ac.id/jpmr/article/view/7525