Bina Rai, S., V. Thiruvengadam, and A. Hendersen. “Contamination of Potable Water at Penang International Airport – a Disaster Averted”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal, vol. 6, no. 1, Mar. 2013, pp. 1-5, doi:10.59096/osir.v6i1.263338.