Thanapun Jirasupanun. 1999. Refining of local ball clay by spray drying. Graduate School, Chulalongkorn University;
Thanapun Jirasupanun. (1999) Refining of local ball clay by spray drying . Chulalongkorn University/Bangkok.
Thanapun Jirasupanun. Refining of local ball clay by spray drying. . Bangkok:Chulalongkorn University, 1999.
Thanapun Jirasupanun. (1999) Refining of local ball clay by spray drying . Chulalongkorn University/Bangkok.