Shi และผู้แต่งคนอื่นๆ. 2006. Identification of contractor prequalification criteria used in Tianjin Roadway Administration Bureau, China. Field of Study Civil Engineering, Kasetsart University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.766

Shi และผู้แต่งคนอื่นๆ. Identification of contractor prequalification criteria used in Tianjin Roadway Administration Bureau, China. . Bangkok:Kasetsart University, 2006. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.766

Shi และผู้แต่งคนอื่นๆ. (2006) Identification of contractor prequalification criteria used in Tianjin Roadway Administration Bureau, China . Kasetsart University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/KU.the.2006.766