Yulandari, E. R., T. H. Duc, and S. Somphaiphithak. “Cultivating an Entrepreneurial Spirit: Evaluation of Project-Based Learning in Increasing Students’ Entrepreneurial Spirit ”. Indonesian Journal of Education Research (IJoER), Vol. 4, no. 6, Dec. 2023, pp. 175-81, doi:10.37251/ijoer.v4i6.952.