The overhead system
Subtitle: production, implementation, & utilization
By: prepared by Richard E. Smith ; designed and illustrated by Max Karl Winkler.
Contributors: University of Texas. Visual Instruction Bureau.
Publisher: Visual Instruction Bureau, Division of Extension, University of Texas
Published: 1966
Place of publication: [Austin]
Language: eng
Number of pages: 107
Subjects: Transparencies.; Teaching -- Aids and devices.
Notes: Bibliography: p.101-107.