Junlapoj Karunpak. 1998. Bioleaching of heavy metals from sewage sludge : a case study of textile industry. Faculty of Graduate Studies, Mahidol University;
Junlapoj Karunpak. (1998) Bioleaching of heavy metals from sewage sludge : a case study of textile industry . Mahidol University/Bangkok.
Junlapoj Karunpak. Bioleaching of heavy metals from sewage sludge : a case study of textile industry. . Bangkok:Mahidol University, 1998.
Junlapoj Karunpak. (1998) Bioleaching of heavy metals from sewage sludge : a case study of textile industry . Mahidol University/Bangkok.