Tran, H. T. T., Nguyen, A. T., Vo, C. Q., & Duong, T. M. (2024). EFL teachers’ perceived challenges of implementing service-learning in higher education. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - SOCIAL SCIENCES, 15(6), 52–64. https://doi.org/10.46223/HCMCOUJS.soci.en.15.6.3428.2025