Tkachuk Tayisiya. Development of cognitive activity of pre- school children in communication educator. : к.психол.н. : spec.. 19.00.07 - Педагогічна та вікова психологія : presented. 2004-10-20; popup.evolution: .; National pedagogikal university named by M.P.Dragomanov. – , 0404U004217.

Updated: 2026-11-07