Jagiello, E. Mathematics as early as at nursery school. Габрово: 2011 120-125,.
Jagiello, E. Mathematics as early as at nursery school. Габрово: 2011 120-125,.
Jagiello, E. (2011) Mathematics as early as at nursery school, Габрово: 120-125,.
Jagiello, E. (2011). Mathematics as early as at nursery school. Педагогическата среда в университета като пространство за професионално-личностно развитие на бъдещия специалист (с. 120-125). Габрово: Кн. 2 Т. 1 (2).
Jagiello E. Mathematics as early as at nursery school. Габрово: 2011. p. 120-125.
