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by: Marcia L. Williams · Kenneth Paprock · Barbara G. CovingtonHardcover details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-0-7619-1441-9 ISBN-10: 0-7619-1441-2 SAGE Publications, Inc · 1998 |
| See also: | ||
| 1998 | Paperback | Distance Learning: The Essential Guide |