The world of learning 1972-73 - 23rd ed. - London Europa Publications Limited 1972 - v. : ill. ; 29 cm. 47-30172 v.I- 1. International 2. Afghanistan-Kuwait. v.II- Laos-Zambia, Index ISBN: 0900362502 v.10900362510 v.2 Subjects--Topical Terms: Academies and institutes