Educational psychology /
Guthrie, Edwin R
Educational psychology / Edwin R Guthrie; Francis F Powers - New York : Ronald Press Co. c1950 - vi, 530 p. : ill. ; 20 cm. - Volumes in Douglass Series in Education . - Volumes in Douglass Series in Education .
Includes index
Educational psychology
370.15 / GUE 1950
Educational psychology / Edwin R Guthrie; Francis F Powers - New York : Ronald Press Co. c1950 - vi, 530 p. : ill. ; 20 cm. - Volumes in Douglass Series in Education . - Volumes in Douglass Series in Education .
Includes index
Educational psychology
370.15 / GUE 1950