Sumaeth Chavadej. 2008. Surfactant recovery by a multi-stage foam fractionation column. Bangkok:Petroleum and Petrochemical College Chulalongkorn University;

Sumaeth Chavadej. Surfactant recovery by a multi-stage foam fractionation column. Bangkok:Petroleum and Petrochemical College Chulalongkorn University, 2008. Print.

Sumaeth Chavadej. (2008) Surfactant recovery by a multi-stage foam fractionation column. Petroleum and Petrochemical College Chulalongkorn University:Bangkok.