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2671
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2672
Water balance study of the north zone of the Magat River Irrigation System, Isabela [microform]
Published 1977Visual Material -
2673
Yield potential of grain sorghum after rice in rainfed areas [microform]
Published 1977Visual Material -
2674
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2675
Influence of herbicides on sclerotium damping-off in tomato [microform]
Published 1977Visual Material -
2676
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2677
The effect of growth regulators on root and shoot production and yield of cassava (manihot esculenta crantz) [microform]
Published 1977Visual Material -
2678
Analysis of variation and construction of selection indices in two sugarcane hybrid populations [microform]
Published 1977Visual Material -
2679
Mineral resources and economic growth selected indicators for the Philippines [microform]
Published 1977Visual Material -
2680
The development of government expenditure in the Philippines, fiscal years 1962-1975 [microform]
Published 1977Visual Material