Sahira, A., K. N. S. Effendi, and R. M. M. Sari. “Creative Thinking Ability of Vocational School Students in Contextual Trigonometry Learning Using Futsal”. Journal of General Education and Humanities, vol. 5, no. 2, Apr. 2026, pp. 2951–2962, doi:10.58421/gehu.v5i2.1264.