A. Kussainov, B. Kudysheva, A. R. Gulsara Kalieva, B. Duanabaeva, B. Jakubakynov, y G. Jumanova, «The “Self-knowledge” program as the basis of the education system of the school», Opción, vol. 35, n.º 90-2, pp. 541-555, dic. 2019.