Sapril Siregar, M. ., D. . Vitaloka Hartati, N. . Afra Kusturi, and N. . Sitalaksmi Widjaja. “Utilizing Problem-Based Learning For Enhancing Critical Thinking In Leadership and Teamwork Education”. Dinasti International Journal of Education Management And Social Science, vol. 5, no. 6, Aug. 2024, pp. 1574-82, doi:10.38035/dijemss.v5i6.2748.