A beginner's guide Barron, Ann E. creator Orwig, Gary W. 1945- text bibliography cou Englewood, Colo Libraries Unlimited 1997 3rd ed. monographic eng

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xv, 295 p. : ill. ; 29 cm. Ann E. Barron, Gary W. Orwig. Includes bibliographical references and indexes. n-us--- Educational technology United States Teaching Aids and devices LB 1028.3 .B37 1997 371.33 1563084775 96039108 http://www.loc.gov/catdir/enhancements/fy1510/96039108-b.html http://www.loc.gov/catdir/enhancements/fy1510/96039108-b.html PUL 960926 20151119100656.0 691981