Jongkonnee Khanmanee. 2009. Origin of basalt breccia,Ban sap sawat,Wichian buri disttrict, Phetchabun province. Field of Study Geology, Chiang Mai University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CMU.the.2009.69

Jongkonnee Khanmanee. Origin of basalt breccia,Ban sap sawat,Wichian buri disttrict, Phetchabun province. . Chiang Mai:Chiang Mai University, 2009. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CMU.the.2009.69

Jongkonnee Khanmanee. (2009) Origin of basalt breccia,Ban sap sawat,Wichian buri disttrict, Phetchabun province . Chiang Mai University/Chiang Mai. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CMU.the.2009.69