References
- Heilman , Arthur W. 1961 . Principles and Practices of Teaching Reading , 271 – 272 . Columbus, Ohio : Merrill .
- Dale , Edgar . 1947 . Audio‐Visual Methods in Teaching , New York : Dryden Press Books .
- Harris , Albert J. 1961 . Effective Teaching of Reading , 15 – 216 . New York : David McKay Company .
- Johnson , Earl S. 1963 . “Ways of Knowing . Social Education , XXVII January : 5 – 10 . 35