Alunandika, N. K., S. A. AM, and H. Hafid. “The Effectiveness of the Hybrid Problem-Based Learning Approach in Training of Speaking English at SMAN 14 Makassar”. Journal of Language Testing and Assessment, vol. 3, no. 2, Dec. 2023, pp. 169-75, doi:10.56983/jlta.v3i2.923.