Bavani Nadaraja และผู้แต่งคนอื่นๆ. (2010) Effect of Traffic Noise on Sleep: A Case Study in Serdang Raya, Selangor, Malaysia. <i>EnvironmentAsia</i>, <i>3</i>(special issue), p149-155.Bavani Nadaraja และผู้แต่งคนอื่นๆ. "Effect of Traffic Noise on Sleep: A Case Study in Serdang Raya, Selangor, Malaysia". EnvironmentAsia 3 (2010):p149-155.Bavani Nadaraja และผู้แต่งคนอื่นๆ. Effect of Traffic Noise on Sleep: A Case Study in Serdang Raya, Selangor, Malaysia. Thai Society of Higher Education Institutes on Environmen:ม.ป.ท. 2010.