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Audio‐visual aidsOberle, Marcella; Ogilvie, Mardel; Gilbert, Edna; Harris, Mary I.; Beck, Roy A.; Lane, Ralph; Wilson, Lew; Everhart, Rodney W.; Balcer, C. L.; Wilkens, Kenneth G.; Leppert, Robert C.; Polzin, Donald E.; Robb, Mary Margaret; Bartlett, Alice E.; Yorkston, Martha; Myrick, Marla Wright; Vincent, James E. · The Speech Teacher · 1962