LEADER 00000nam 2200229 a 4500 001 0414216 003 UkHlHU 007 t 008 001409 1 1977 000 eng 040 UkHlHU 050 4 BF 723 C5 S5 100 1 Sigel, Irving E.|q(Irving Edward) 245 10 Cognitive development from childhood to adolescence :|ba constructivist perspective. 260 New York :|bHolt, Rinehart and Winston,|c1977. 300 256p. 440 0 Principles of educational psychology series 650 0 Genetic psychology. 650 0 Child psychology. 700 0 Cocking, Rodney R. 946 020 absent -- ISBN check required
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