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David Hough

Stand Alone

Hearsay: Survival Listening and Speaking
Hearsay: Survival Listening and Speaking (Audiocassettes)
Mathematics with Maple: An Introduction for Engineers and Scientists
Before Hearsay: Basic Listening for the Classroom
Before Hearsay: Before Hearsay Cassette
Telephone Skills: Cassette Pack
Multiculturalism
Time After Time