عناصر مشابهة

• Studieds on Some Species of Mealybug Infesting Grapes in Egypt
  بواسطة: Youssef, Abbas Seif Alnasr منشور: (1991)
• Toxicological Studies On Some Insecticides
  بواسطة: Amer, Kotab Youssef Abd Alhamid منشور: (1987)
• Toxicological Studies On Cutworm
  بواسطة: Raslan, Samy Abu Alfotooh Abd Alwahed منشور: (1988)
• Toxicological Studies On Cotton Leafworm Spodoptera Littoralis Boisd
  بواسطة: Allam, Abd Alhameed Moustafa Mahmoud منشور: (1983)
• Field studies on populations and control of green peach aphid myzus persicae (Sulzer)(Homoptera : aphididae) in the cent
  بواسطة: Hamdan, Abd Aljalil Salem منشور: (1986)