Radchagrit Supakulopas. 2012. Monitoring of total electron content variation in ionospheric region caused by earthquakes during 2009-2011. , Chulalongkorn University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CU.the.2012.165
Radchagrit Supakulopas. (2012) Monitoring of total electron content variation in ionospheric region caused by earthquakes during 2009-2011 . Chulalongkorn University/ฺBangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CU.the.2012.165
Radchagrit Supakulopas. Monitoring of total electron content variation in ionospheric region caused by earthquakes during 2009-2011. . ฺBangkok:Chulalongkorn University, 2012. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CU.the.2012.165
Radchagrit Supakulopas. (2012) Monitoring of total electron content variation in ionospheric region caused by earthquakes during 2009-2011 . Chulalongkorn University/ฺBangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/CU.the.2012.165