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11
Project status report as of December 31, 1973 Upper Pampanga River Project, loan no. 637 PH
Publicado em 1974Livro -
12
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13
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14
Land classification and supporting studies on the Upper Pampanga River Project.
Publicado em 1971Livro -
15
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16
Feasibility study of the Upper Pampanga River Irrigation Project by use of investment criteria
Publicado em 1970Livro -
17
Agricultural development action program for the upper Pampanga river project.
Publicado em 1968Livro -
18
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19
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20