Suparman, D. Juandi, Turmudi, and B. Avip Priatna Martadiputra. “Achievement Emotions for Mathematics Questionnaire in Senior High School: Validity and Reliability for Indonesian Students”. COUNS-EDU: The International Journal of Counseling and Education, vol. 10, no. 1, May 2025, doi:10.23916/00202501049510.