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2051
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2052
Population ecology of the rice green leaf-hopper, Nephotettix virescens (Distant) [microform]
出版事項 1977Visual Material -
2053
Topical toxicity of ten insecticides to the larvae of Ostrinia furnacalis (Guenee) [microform]
出版事項 1977Visual Material -
2054
resistance to the whitebacked planthopper Sogatella furcifera (Horvath) i rice varieties [microform]
出版事項 1977Visual Material -
2055
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2056
some microbial pathogens on five species of Philippine mosquitoes [microform]
出版事項 1977Visual Material -
2057
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2058
Selecting the best regression equation - the stepwise procedure [microform]
出版事項 1977Visual Material -
2059
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2060
Some community variables related to the success of PRRM cooperative credit unions [microform]
出版事項 1977Visual Material