Fitriyanti F, Eprianto E, Sirozi S. THE IMPLEMENTATION OF PROJECT-BASED LEARNING IN THE DEVELOPMENT OF 21ST-CENTURY SKILLS AND CRITICAL THINKING SKILLS IN ISLAMIC RELIGIOUS EDUCATION. jkpi [Internet]. 2026 Mar. 30 [cited 2026 Apr. 4];7(2):266-7. Available from: https://jurnalalkhairat.org/ojs/index.php/jkpi/article/view/1636