Umaporn Sangwanna. 2004. Development of structural ceramic products from rice husk ash. Field of Study Ceramic Technology, Chulalongkorn University;
Umaporn Sangwanna. (2004) Development of structural ceramic products from rice husk ash . Chulalongkorn University/Bangkok.
Umaporn Sangwanna. Development of structural ceramic products from rice husk ash. . Bangkok:Chulalongkorn University, 2004.
Umaporn Sangwanna. (2004) Development of structural ceramic products from rice husk ash . Chulalongkorn University/Bangkok.