1. J. P. Guyer, P.E., R.A., F. ASCE and F. AEI, “An Introduction to Cooling Tower Water Treatment,” Continuing Education and Development, Inc., New York, 2014.
2. American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), The ASHRAE GreenGuide: The Design, Construction, and Operation of Sustainable Buildings, ASHRAE Press, 2006.
3. Hawari, Z. A. Rahman and Yahaya, “Merus Ring Technology for Boiler Feed Water Treatment,” Malaysia Palm OIl Board, Kuala Lumpur, 2012.
4. Pulsed-power treatment for physical water treatment
5. Green Building Index Sdn Bhd, GBI Assesment criteria: industrial new construct ion (INC), Kuala Lumpur: Green Building Index Sdn Bhd, 2011.