MOHAMED MAHMOUD SAID AHMED GOMAA، Abd Elhakam Abd ElLateef El Saeady، Hamdy Ahmed Mohamed Mohamed، و Helal Ahmed Helal. (2006). USING SOME BIOLOGICAL CONTROL ELEMENTS AGAINST SPODOPTERA LITTORALIS IN COTTON FIELD (رسالة دكتوراه غير منشورة). Al Azhar University/ENTOMOLOGY،
MLA اقتباسMOHAMED MAHMOUD SAID AHMED GOMAA، Abd Elhakam Abd ElLateef El Saeady، Hamdy Ahmed Mohamed Mohamed، و Helal Ahmed Helal. "USING SOME BIOLOGICAL CONTROL ELEMENTS AGAINST SPODOPTERA LITTORALIS IN COTTON FIELD" رسالة دكتوراه. Al Azhar University/ENTOMOLOGY، 2006.