B. Cahyono, R. Dwi Setyawati, A. Indah Ardiani, D. Falasifa Tsani, B. Waluyo, and K. Kartono, “The Effectiveness of the CIRC Learning Model in terms of Self Confidence and Mathematical Generalization Ability”, ISET, vol. 8, no. 1, pp. 1111–1120, Oct. 2021.