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1011
Population ecology of the rice green leaf-hopper, Nephotettix virescens (Distant) [microform]
Published 1977Visual Material -
1012
Topical toxicity of ten insecticides to the larvae of Ostrinia furnacalis (Guenee) [microform]
Published 1977Visual Material -
1013
resistance to the whitebacked planthopper Sogatella furcifera (Horvath) i rice varieties [microform]
Published 1977Visual Material -
1014
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1015
some microbial pathogens on five species of Philippine mosquitoes [microform]
Published 1977Visual Material -
1016
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1017
Selecting the best regression equation - the stepwise procedure [microform]
Published 1977Visual Material -
1018
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1019
Some community variables related to the success of PRRM cooperative credit unions [microform]
Published 1977Visual Material -
1020
The training needs of foresters-in-charge in the Reforestation Administration [microform]
Published 1977Visual Material