m J alexandr. (1983). Effect of different directory levels on the post partum reproductive performance of cross- bred cows. College of veterinary and animal sciences.
Παραπομπή Chicago Stylem J alexandr. Effect of Different Directory Levels on the Post Partum Reproductive Performance of Cross- Bred Cows. College of veterinary and animal sciences, 1983.
Παραπομπή MLAm J alexandr. Effect of Different Directory Levels on the Post Partum Reproductive Performance of Cross- Bred Cows. College of veterinary and animal sciences, 1983.
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