Aggarwal,J.C Essentials of educational psychology [[Textbook] /] J.C.Aggarwal. - 2nd ed. - new delhi : Vikas publishing house ltd, 2007. - xiii,596 p ; 22 cm. ISBN: 812592292x Subjects--Topical Terms: educational psychology. Dewey Class. No.: 370.15 National Library of Medicine Call No.: 370.15 / A E