Educational psychology at the Cleveland meeting of the American Psychological Association

Baldwin, Bird T Bell, J. Carleton ; Bagley, W.C ; Seashore, C.E ; Whipple, Guy Montrose

Journal of educational psychology, 1913-03, Vol.4 (3), p.164-170 [Periódico revisado por pares]

Washington, etc: Warwick & York

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