@book{77956,
	author = {International Extension Coll., Cambridge (England). and de Jardon, Linda King, and International Extension Coll., Cambridge (England).},
	title = {Writing for Distance Education. A Manual for Writers of Distance Teaching Texts and Independent Study Materials /},
	publisher = {Distributed by ERIC Clearinghouse,},
	year = {1983.},
	address = {Washington, D.C. :}
}