Zak A. Z.

(# 88'2)

Zak A. Z. : Development of the capacity for mental behavior in I- grade school-children 83'1 p.43

Zak A. Z. : Relation between learning and mental development in schoolchildren 85'3 p.49

Zak A. Z. : Typology of thought's microdevelopment 86'5 p.96

Zak A. Z. : "Author's thinking" in younger schoolchildren making up a problem 88'2 p.69

The authors