International encyclopedia of education V.7:P-R
International encyclopedia of education V.7:P-R
ed.by Torsten Husen, T. Neville Postlethwaite.
- Oxford Pergamon Press 1985
- ix, 631p.
0080281192
370.321 / N85.7 "R"
0080281192
370.321 / N85.7 "R"