Siregar, Sulthon Zulkarnain, et al. “The Influence of Self-Efficacy and Self-Regulated Learning on Students’ Motivation to Learn Mathematics”. Al Yazidiy Jurnal Sosial Humaniora Dan Pendidikan, vol. 7, no. 2, Oct. 2024, pp. 35-51, doi:10.55606/ay.v7i2.1739.