Pinkham Ashley M Ed. Knowledge development in early childhood Sources of learning and classroom implications Pinkham Ashley M Ed. - New York Guilford Press USA 2012 - xvi,270p. cm. ISBN: 9781462504992 (hbk) 2425.19 Standard No.: 12997 Source: 6908, 26/03/2014, Friends Publications (India) Textual Subjects--Topical Terms: EDUCATION Dewey Class. No.: T13:3, Q2