Kuakul Marhotorn. 2008. Petrochemistry of igneous rocks in the southern parts of the Chatree, Changwat Pichit. Faculty of Science, Chulalongkorn University;
Kuakul Marhotorn. (2008) Petrochemistry of igneous rocks in the southern parts of the Chatree, Changwat Pichit . Chulalongkorn University/Bangkok.
Kuakul Marhotorn. Petrochemistry of igneous rocks in the southern parts of the Chatree, Changwat Pichit. . Bangkok:Chulalongkorn University, 2008.
Kuakul Marhotorn. (2008) Petrochemistry of igneous rocks in the southern parts of the Chatree, Changwat Pichit . Chulalongkorn University/Bangkok.