Rahman, R., C. Sothy, Y. A. Pratama, and O. Khan. “THE EFFECT OF PROJECT-BASED LEARNING ON 21ST CENTURY SKILLS IN MIDDLE SCHOOL STUDENTS IN INDONESIA”. Lingeduca: Journal of Language and Education Studies, vol. 4, no. 1, Apr. 2025, pp. 17-23, doi:10.70177/lingeduca.v4i1.2125.