Hasyim, et al. “The Effect of Teacher Professionalism and Student Learning Motivation Through Blended Learning Model On Improving Student Learning Outcomes Of Class XI Vocational High School 1 Medan in The 2023 2024 Academic Year”. Pubmedia Jurnal Penelitian Tindakan Kelas Indonesia, vol. 2, no. 3, May 2025, p. 9, doi:10.47134/ptk.v2i3.1603.