1. Strategies for the Improvement of Water Supply and Wastewater Management Services in Malaysia;Academy of Sciences Malaysia,2015
2. Conservation of the biodiversity of Brazil's inland waters;Agostinho;Conserv. Biol.,2005
3. State of knowledge on freshwater fishes of Malaysia;Ahmad,2005
4. Stream Ecology Structure and Function of Running Waters;Allan,2007
5. Water quality index of perlis river, Malaysia;Amneera;Int. J. Civ. Environ. Eng.,2013