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2
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3The design and development of a solar powered water pump : interim progress report, July 3rd, 1975 /by Cowell, P. A.Subjects: “...Solar energy in agriculture Thailand....”
Published 1975
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4Published 1987Conference Proceeding Book
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5Published 1973Conference Proceeding Book
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6Published 1978Conference Proceeding Book
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7Published 1994Conference Proceeding Book
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8Published 1973Conference Proceeding Book
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9
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10Published 1978Conference Proceeding Book
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11Published 1988Conference Proceeding Book
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12
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13
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14Published 1977Conference Proceeding Book
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15
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16
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17Published 1980Conference Proceeding Book
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18Published 1987Conference Proceeding Book
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19Published 1982Conference Proceeding Book
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20