Lovell, K. (Kenneth) creator Vernon, P. E. text London University of London Press c1973 11 ed. monographic 319 p. illus. 22 cm. [by] K. Lovell; foreword by P. E. Vernon. Includes index. Bibliography: p. [306]-308. Educational psychology LB1051 .L82 1973 370.15 0340176741 74160107 UOEL 000 20250407152803.0 2681940