Tumbel ME. Application of Project-Based Learning to Improve the 4C Abilities (Critical Thinking, Creativity, Collaboration, and Communication) of Children Aged 5-6 Years. IJITE [Internet]. 2024 Mar. 8 [cited 2025 Aug. 1];3(2):8-14. Available from: http://ijite.jredu.id/index.php/ijite/article/view/173