Natt Dumkum. 2008. Physical and chemical characteristics of cement produced with different ration of Zn, Cr and Ni in pilot-scale rotary cement kiln. Graduate School, Chulalongkorn University;
Natt Dumkum. (2008) Physical and chemical characteristics of cement produced with different ration of Zn, Cr and Ni in pilot-scale rotary cement kiln . Chulalongkorn University/Bangkok.
Natt Dumkum. Physical and chemical characteristics of cement produced with different ration of Zn, Cr and Ni in pilot-scale rotary cement kiln. . Bangkok:Chulalongkorn University, 2008.
Natt Dumkum. (2008) Physical and chemical characteristics of cement produced with different ration of Zn, Cr and Ni in pilot-scale rotary cement kiln . Chulalongkorn University/Bangkok.