Koson Sapprasert. 2011. Global entrepreneurship monitor GEM thailand - 2011 national report. ม.ป.ท.:Bangkok university; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/BU.res.2011.3
Koson Sapprasert. (2011) Global entrepreneurship monitor GEM thailand - 2011 national report (รายงานผลงานวิจัย). Bangkok university:ม.ป.ท. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/BU.res.2011.3
Koson Sapprasert. Global entrepreneurship monitor GEM thailand - 2011 national report. ม.ป.ท.:Bangkok university, 2011. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/BU.res.2011.3
Koson Sapprasert. (2011) Global entrepreneurship monitor GEM thailand - 2011 national report (รายงานผลงานวิจัย). Bangkok university:ม.ป.ท. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14458/BU.res.2011.3