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1Опубликовано 1963“...University of London. Institute of Education...”
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2Опубликовано 1972“...University of London. Institute of Education...”
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3Опубликовано 1967“...University of London. Institute of Education...”
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4Опубликовано 1975“...University of London. Institute of Education...”
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5Диссертация по Sutherland, Rosamund“...University of London. Institute of Education...”
Опубликовано 1987
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6Опубликовано 1954“...University of London. Institute of Education...”
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7Опубликовано 1964“...University of London. Institute of Education...”
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8
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9Опубликовано 1962“...University of London. Institute of Education...”
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10Опубликовано 1962“...University of London. Institute of Education...”
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11по Jeffery, G. B. (George Barker), 1891-“...University of London. Institute of Education...”
Опубликовано 1958
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12
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13
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14по Peters, R. S. (Richard Stanley), 1919-“...University of London. Institute of Education...”
Опубликовано 1964
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15
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16Опубликовано 1950“...University of London. Institute of Education...”
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17Опубликовано 1976“...University of London. Institute of Education...”
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18Опубликовано 1963“...University of London. Institute of Education...”
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19
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20Опубликовано 1964“...University of London. Institute of Education...”