Somchai Saengsawang. 2010. Time distance minimization contracting unit for primary care service using geographical information system : case study Nakhonnayok province. , Mahidol University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/MU.the.2010.83

Somchai Saengsawang. Time distance minimization contracting unit for primary care service using geographical information system : case study Nakhonnayok province. . Bangkok:Mahidol University, 2010. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/MU.the.2010.83

Somchai Saengsawang. (2010) Time distance minimization contracting unit for primary care service using geographical information system : case study Nakhonnayok province . Mahidol University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/MU.the.2010.83