Browsing by Author "Strain, Allan"
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Item Embargo Coin computation: a task analysis and a computer assisted instruction program for the retarded(1980) Strain, Allan; Hallworth, Herbert J.Item Embargo Computer assisted instruction in social arithmetic for the retarded STI(1974) Strain, Allan; Hallworth, Herbert J.Item Embargo Computer assisted instruction in social arithmetic for the retarded STI / by Allan Strain(1974) Strain, Allan; Hallworth, Herbert J.