Said، A. A. (1981). THE POTENCY OF CERTAIN DIGESTIVE ENZYMES PREPARED FROM THE DOMESTIC PIGEON COLUMBA LIVIA DOMESTICA TREATED WITH SOME CHEMICAL INSECTICIDES. مجلة كلية التربية، مج4, ع2 ، 365 - 376. مسترجع من http://search.mandumah.com/Record/668809
Said، Anwar A. "THE POTENCY OF CERTAIN DIGESTIVE ENZYMES PREPARED FROM THE DOMESTIC PIGEON COLUMBA LIVIA DOMESTICA TREATED WITH SOME CHEMICAL INSECTICIDES." مجلة كلية التربية مج4, ع2 (1981): 365 - 376. مسترجع من http://search.mandumah.com/Record/668809