Pedagogical psychology + Psychological characteristics of different ages

Shoumakova N. B. : Inquisitive activity in the form of questions in different age periods 86'1 p.53
Palagina N. N. : The development of child's imagination in Russian traditional folks pedagogics 89'6 p.69
Sapogova Ye. Ye. : Coordination of the whole and the parts as one of possible imagination's mechanisms 90'6 p.45
Polivanova K. N. : Periodization of child development: An interpretation 04'1 p.110