RIVER ENGINEERING AND URBAN DRAINAGE RESEARCH CENTRE (REDAC) 
Engineering Campus, 
Universiti Sains Malaysia 14300 Nibong Tebal, 
Seberang Perai Selatan, Pulau Pinang, Malaysia 
Tel: +604-5995461/5995464 
Fax: +604-5996789 
Email : redac10@usm.my / eena@usm.my