Thanop Thitimakorn และผู้แต่งคนอื่นๆ. (2009) Mapping a NEHRP Site Class Using Multi-channel Analysis of Surface Waves (MASW) Method in Southeast Missouri, USA. <i>Bulletin of Earth Sciences of Thailand (BEST)</i>, <i>2</i>(2-Jan), 31-39.Thanop Thitimakorn และผู้แต่งคนอื่นๆ. "Mapping a NEHRP Site Class Using Multi-channel Analysis of Surface Waves (MASW) Method in Southeast Missouri, USA". Bulletin of Earth Sciences of Thailand (BEST) 2 (2009):31-39.Thanop Thitimakorn และผู้แต่งคนอื่นๆ. Mapping a NEHRP Site Class Using Multi-channel Analysis of Surface Waves (MASW) Method in Southeast Missouri, USA. Department of Geology, Chulalongkorn University:ม.ป.ท. 2009.