Uraiphan Wuttishingchai. 1997. A new approach to improving environmental management in the oil & gas industry in Thailand. Department of Civil and Offshore Engineering, Heriot-Watt University;
Uraiphan Wuttishingchai. (1997) A new approach to improving environmental management in the oil & gas industry in Thailand . Heriot-Watt University/Edinburgh.
Uraiphan Wuttishingchai. A new approach to improving environmental management in the oil & gas industry in Thailand. . Edinburgh:Heriot-Watt University, 1997.
Uraiphan Wuttishingchai. (1997) A new approach to improving environmental management in the oil & gas industry in Thailand . Heriot-Watt University/Edinburgh.