TY - BOOK AU - Sayers,Ephraim Vern TI - Educational issues and unity of experience SN - 0404553575 PY - 1972/// CY - New York PB - Bureau of publication KW - Educational psychology KW - Education KW - Teaching KW - Curricula N1 - Published also as thesis (Ph. D.) Columbia University; Bibliography : p. 110-113 ER -