The Effect of The PBL Model on Improving Critical Thinking Skills of V Grade Students in IPAS at SDN 122345 Pematangsiantar. Journal of Pedagogi [Internet]. 2025 Oct. 17 [cited 2025 Nov. 30];2(5):79-86. Available from: https://ejournal-nawalaedu.com/index.php/JOP/article/view/1916