Pattira Thanomnark. 2014. The acquisition of /r/-/I/ contrast by northern Thai speaking learners. , Kasetsart University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2014.992
Pattira Thanomnark. (2014) The acquisition of /r/-/I/ contrast by northern Thai speaking learners . Kasetsart University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2014.992
Pattira Thanomnark. The acquisition of /r/-/I/ contrast by northern Thai speaking learners. . Bangkok:Kasetsart University, 2014. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2014.992
Pattira Thanomnark. (2014) The acquisition of /r/-/I/ contrast by northern Thai speaking learners . Kasetsart University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2014.992