Pratiwi, R. S. “ An Analysis of Student’s English Proficiency through Problem Based Learning Model (A Study on Fifth Semester Students of Tadris Bahasa Inggris)”. Jurnal Kajian Ilmu Pendidikan (JKIP), vol. 6, no. 1, Apr. 2025, pp. 71-76, doi:10.55583/jkip.v6i1.1258.