TY  - GEN
AU  - Amr Ali Tawfik
AU  - Ezzat Abd elshafi , 
AU  - Maged Hamed , 
TI  - Environmental management systems performance evaluation in the petroleum sector / 
PY  - 2004///
CY  - Cairo : 
PB  - Amr Ali Tawfik , 
KW  - Environmental
KW  - performance
N1  - Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering; Issued also as CD
UR  - http://172.23.153.220/th.pdf
ER  -