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	1.	Natural enemies of some root aphids, by Hassan, Mahrus Saleh United Arab Republic. Wizārat al-Zirāʻah Material type: Text; Format: print ; Literary form: Not fiction Publication details: Cairo, General Organisation for Govt. Print. Offices, 1963 Availability: No items available. Add to cart (remove)
	2.	Some root aphids of Egypt in relation to ants (Hemiptera-Homoptera: Aphididae) by Hassan, Mahrus Saleh United Arab Republic. Wizārat al-Zirāʻah Material type: Text; Format: print ; Literary form: Not fiction Publication details: Cairo, General Organisation for Govt. Print. Offices, 1963 Availability: No items available. Add to cart (remove)
	3.	A morphological and taxonomic study of some root aphids, in Egypt (Hemiptera-Homoptera: Aphididae) by Hassan, Mahrus Saleh United Arab Republic. Wizārat al-Zirāʻah Material type: Text; Format: print ; Literary form: Not fiction Publication details: Cairo, General Organisation of Govt. Print. Offices, 1963 Availability: No items available. Add to cart (remove)
	4.	Studies on the biology of some root aphids in Egypt (Hemiptera-Homoptera: Aphididae) by Hassan, Mahrus Saleh United Arab Republic. Wizārat al-Zirāʻah Material type: Text; Format: print ; Literary form: Not fiction Publication details: Cairo, General Organization for Govt. Print. Offices, 1963 Availability: No items available. Add to cart (remove)

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