KUSSAINOV, A.; KUDYSHEVA, B.; GULSARA KALIEVA, A. R.; DUANABAEVA, B.; JAKUBAKYNOV, B.; JUMANOVA, G. The “Self-knowledge” program as the basis of the education system of the school. Opción, v. 35, n. 90-2, p. 541-555, 29 dic. 2019.