Rahman R, Sothy C, Pratama YA, Khan O. THE EFFECT OF PROJECT-BASED LEARNING ON 21ST CENTURY SKILLS IN MIDDLE SCHOOL STUDENTS IN INDONESIA. Lingeduca: J. of Language and Education Studies [Internet]. 2025Apr.28 [cited 2026Apr.27];4(1):17-23. Available from: https://research.adra.ac.id/index.php/lingeduca/article/view/2125