Study for infiltration in sewerage system / by Norhan Abd. Rahman, author, International Conference on Hydroinformatics (HIC) 7th : 2006 : Nice, France)

Modelling of volatile organic compounds in groundwater ater system / by Norhan Abd.Rahman, author, Zainab Mohd. Yusof, author, Ngien Su Kong, author, Rubi Kliwon, author, International Conference on Water Resources (2009 : Langkawi)

Simulation of MOFAT for light non aqueous phase liquid(LNAPL)in the unsaturated zone / by Samira Albati Kamaruddin, author, Wan Nor Azmin Sulaiman, author, Norhan Abd. Rahman, author, Mohamad Pauzi Zakaria, author, International Conference on Water Resources (2009: Langkawi)

"Flood Modelling evaluation in river meandering channel under tidal effect" / by Mohd Fauzi Mohamad, author, Norhan Abd Rahman, author, Abd Jalil Hassan, author, International Conference on WaterResources (ICWR 2009) (2009 : Bayview Hotel, Langkawi, Kedah)

Effectiveness of rubbish traps in open channel flow / by Norhan Abd. Rahman, author, Shukur Abu Hassab, author, Ngien su Kong , author, Siti Rabe'ah Othman, 1983-, author, International Seminar on civil and ingrastruture engineering (2007 : Selangor)

Evaluation of gross pollutant traps (GPTs) for open channel system / by Norhan Abd.Rahman, author, Noralini Alias, author, Noor Suraya Romali, author, Norasman Othman, author, International Conference on Water Resources (Icwr2009) 92009 : Bayview Hotel, Langkawi, Kedah)

Application of GFRP rubbish trap in open channel system / by Norhan Abd. Rahman, author, Shukur Abu Hassan, author, Noraliani Alias, author, Siti Rabe'ah Othman, 1983-, author, Noor Suraya Romali, 1983-, author, Muhammad Fuad Shukor, author, JSPS-VCC Group 5 Seminar on Water and Wastewater Management and Technologies (2008: Sabah)