'Action thresholds' diaporamas de présentation

URC June 12, 2014

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Do the costs of synthetic pesticides outweigh their benefits ?

Do the costs of synthetic pesticides outweigh their benefits ? . Provide food for growing population. 1950s, easy control of insect pests Environmental harm Beluga whale carcass classified as hazardous waste More weeds today than in 1940 Human health effects

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Central Problems in the Management of Innovation ANDREW H. VAN DE VEN

2011 Fall Seminar on Technological Innovation . Central Problems in the Management of Innovation ANDREW H. VAN DE VEN MANAGEMENT SCIENCE, Vol. 32, No. 5 (1986). 2011.9. 14 ????????? ??? , ???. Contents. Introduction. 4 factors and central problems . 1. 2. Conclusion.

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