Piyaphong Chenrai และผู้แต่งคนอื่นๆ. (2010) One Dimensional Resistivity Sounding for Resolving Gem-bearing Gravel Layer: A Comparison of Schlumberger with Wenner Techniques at Bo Rai, Eastern Thailand. <i>Bulletin of Earth Sciences of Thailand (BEST)</i>, <i>3</i>(1), 7-Jan.Piyaphong Chenrai และผู้แต่งคนอื่นๆ. "One Dimensional Resistivity Sounding for Resolving Gem-bearing Gravel Layer: A Comparison of Schlumberger with Wenner Techniques at Bo Rai, Eastern Thailand". Bulletin of Earth Sciences of Thailand (BEST) 3 (2010):7-Jan.Piyaphong Chenrai และผู้แต่งคนอื่นๆ. One Dimensional Resistivity Sounding for Resolving Gem-bearing Gravel Layer: A Comparison of Schlumberger with Wenner Techniques at Bo Rai, Eastern Thailand. Department of Geology, Chulalongkorn University:ม.ป.ท. 2010.