Glatter, Ron Study by correspondence : an enquiry into correspondence study for examinations for degrees and other advanced qualifications / by Ron Glatter and E. G. Wedell - Harlow : Longman, 1971 - xvi, 361 p. : 1 ill, forms ; 23 cm. Bibliography: p. 359-361 ISBN: 0582500265 Subjects--Topical Terms: Correspondence schools and courses--Great Britain Dewey Class. No.: 374.442