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1Published 1978“...Dept of Education,...”
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2Published 1981“...Dept. of Education,...”
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4Published 1984“...Dept. of Education,...”
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5Published 1986“...Dept. of Education,...”
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6Published 1987“...Dept. of Education,...”
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8
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9Published 1972“...Dept. of Education],...”
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11
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13
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14Published 1987“...Dept. of Education,...”
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15Published 1989“...Dept. of Education,...”
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16Published 1988“...Dept. of Education,...”
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17Published 1987“...Dept. of Education,...”
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18Published 1980“...Dept. of Education,...”
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19Published 1985“...Dept. of Education,...”
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20