How to cite this article:
Harun Tanrivermis and Ilyas Akdogan, 2007. The Use of Certified Seeds of Improved Wheat Varieties in Farms and the Contributions of Certified Seed Usage to Enterprise Economies: The Case of Ankara Province in Turkey. Pakistan Journal of Biological Sciences, 10: 4339-4353. DOI: 10.3923/pjbs.2007.4339.4353 URL: https://scialert.net/abstract/?doi=pjbs.2007.4339.4353
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