TY - THES TI - Optimism in education. UR - https://discovery.ucl.ac.uk/id/eprint/10020089/ EP - 0 AV - none ID - discovery10020089 N1 - Thesis: PHD University of London Institute of Education, 1979. Y1 - 1979/// PB - Institute of Education, University of London A1 - Maclean, M. M1 - Doctoral ER -