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61
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62
Studies on DDT resistance in some local populations of rice weevils [microform]
Published 1978Visual Material -
63
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64
Bioassay technique for analysis of insecticide residues on vegetables [microform]
Published 1977Visual Material -
65
Topical toxicity of ten insecticides to the larvae of Ostrinia furnacalis (Guenee) [microform]
Published 1977Visual Material -
66
The effect of insecticides, species diversity and nitrogen fertilizer on insect infestation and yield of cotton [microform].
Published 1977Visual Material -
67
Methodologies on the analysis of chlorinated insecticides residues in aquatic fauna [microform].
Published 1977Visual Material -
68
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69
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70
Investigation of some Philippine plants for insecticidal activity [microform]
Published 1975Visual Material