Singh, Sanjay Kumar Encyclopaedic biography of world great educational psychologists/ Sanjay Kumar Singh. - New Delhi: Anmol Publications, 2009. - 3 v. (x, 840 p.); 25 cm. Includes Index. ISBN: 9788126140893 8126140895 Subjects--Topical Terms: Educational psychologists -- Encyclopedias. Educational psychologists Dewey Class. No.: 150.9203 / SIN/E