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1Опубликовано 1977“...Association for Programmed Learning and Educational Technology...”
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2Опубликовано 1975“...Association for Programmed Learning and Educational Technology...”
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3Опубликовано 1976“...Association for Programmed Learning and Educational Technology...”
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4ЖурналОпубликовано 1967“...Association for Programmed Learning and Educational Technology...”
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5Журнал
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6Опубликовано 1970“...Association for Programmed Learning and Educational Technology...”
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7Материалы конференцииОпубликовано 1969“...Association for Programmed Learning and Educational Technology...”
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8Опубликовано 1973“...Association for Programmed Learning and Educational Technology...”
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9ЖурналОпубликовано 1967“...Association for Programmed Learning and Educational Technology...”