Bayramov, J., G. Dwirahayu, dan G. Satriawati. “Analysis of Mathematical Reasoning on Trigonometry for Students at High School: A Case Study on Olympic Class”. Math Didactic: Jurnal Pendidikan Matematika, Vol. 10, no. 1, Mei 2024, hlm. 114-25, doi:10.33654/math.v10i1.2686.