Sorawit Ngampromphun. 2001. Chromium removal efficiency by Colocasia esculenta [L.] Schott in constructed wetlands for tannery post-treatment wastewater. Field of Study Environmental Science, Chulalongkorn University;
Sorawit Ngampromphun. (2001) Chromium removal efficiency by Colocasia esculenta [L.] Schott in constructed wetlands for tannery post-treatment wastewater . Chulalongkorn University/Bangkok.
Sorawit Ngampromphun. Chromium removal efficiency by Colocasia esculenta [L.] Schott in constructed wetlands for tannery post-treatment wastewater. . Bangkok:Chulalongkorn University, 2001.
Sorawit Ngampromphun. (2001) Chromium removal efficiency by Colocasia esculenta [L.] Schott in constructed wetlands for tannery post-treatment wastewater . Chulalongkorn University/Bangkok.