. H, Nasution MY, Rezeqi S. Application of Contextual Learning to Improve Critical Thinking Ability of Students in Biology Teaching and Learning Strategies Class. IJLTER [Internet]. 2015 May 30 [cited 2026 Aug. 27];11(3):109-16. Available from: https://ijlter.myres.net/index.php/ijlter/article/view/1078