TY - BOOK AU - Shams,Dilawar Farhan AU - TI - Existing Petroleum Drilling Waste Management Practices in Pakistan and Improvement Options AV - 628 SHA U1 - 628 SHA PY - 2002/// CY - Rawalpindi PB - IESE (SCEE) NUST KW - Environmental Engineering N1 - Thesis MS EE ER -