Rahman, R., Sothy, C., Pratama, Y. A. and Khan, O. (2025) “THE EFFECT OF PROJECT-BASED LEARNING ON 21ST CENTURY SKILLS IN MIDDLE SCHOOL STUDENTS IN INDONESIA”, Lingeduca: Journal of Language and Education Studies, 4(1), pp. 17–23. doi: 10.70177/lingeduca.v4i1.2125.