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1book bibliotecaUNESCO
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2
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4programme and meeting document bibliotecaUNESCO
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5article bibliotecaUNESCO
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6article bibliotecaUNESCO
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8article bibliotecaUNESCO
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9article bibliotecaUNESCO
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13book bibliotecaUNESCO
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14book bibliotecaUNESCO
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15book bibliotecaUNESCO
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16programme and meeting document bibliotecaUNESCO
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17by UNICEF Regional Basic Education and Community Participation Workshop, Sana'a, 1997, Hall, Budd L.book bibliotecaUNESCO
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18by Seminar on Structures of Adult Education in Developing Countries with special reference to Africa, Nairobi, 1975, Hall, Budd L.programme and meeting document bibliotecaUNESCO
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19
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20by Meeting of Experts to Examine the First Results of Research carried out on the Conditions pertaining to the Transfer of Knowledge, Venice, 1978, Hall, Budd L.programme and meeting document bibliotecaUNESCO