Pacharin Sintipong. 2008. Oral communication problems of Thai and foreign employees in Benchmark Electronics (Thailand) Public Co., Ltd. , Thammasert University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2008.473
Pacharin Sintipong. (2008) Oral communication problems of Thai and foreign employees in Benchmark Electronics (Thailand) Public Co., Ltd . Thammasert University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2008.473
Pacharin Sintipong. Oral communication problems of Thai and foreign employees in Benchmark Electronics (Thailand) Public Co., Ltd. . Bangkok:Thammasert University, 2008. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2008.473
Pacharin Sintipong. (2008) Oral communication problems of Thai and foreign employees in Benchmark Electronics (Thailand) Public Co., Ltd . Thammasert University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2008.473