TY  - GEN
AU  - Maher Ali Abdelhady Alazab
AU  - Hassan Mostafa Elagrab , 
AU  - Mohamed Abdelrahman Ashoub , 
TI  - Effect of environmental stress factors on performance of commercial layers / 
PY  - 1997///
CY  - Cairo : 
PB  - Maher Ali Abdelhady Alazab , 
N1  - Thesis(M.Sc.) - Cairo University - Faculty of Veterinary Medicine - Department of Veterinary Hygiene and Management
UR  - http://172.23.153.220/th.pdf
ER  -