Basam F, Hartono Bancong. Integration Of Pjbl-Stem And Virtual Laboratory: A Strategy To Improve Critical Thinking Skills Of Prospective Elementary School Teachers. cjee [Internet]. 2026 Jun. 8 [cited 2026 Jun. 10];4(1):49-67. Available from: https://ojs.unsulbar.ac.id/index.php/cjee/article/view/6351