Nattawut Pawarnvate. 2009. A survey of Thai parents' attitudes towards importance of pre-kindergarten schooling and major considerations in choosing pre-kindergarten schools for children. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.219

Nattawut Pawarnvate. A survey of Thai parents' attitudes towards importance of pre-kindergarten schooling and major considerations in choosing pre-kindergarten schools for children. Bangkok:Thammasat University, 2009. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.219

Nattawut Pawarnvate. (2009) A survey of Thai parents' attitudes towards importance of pre-kindergarten schooling and major considerations in choosing pre-kindergarten schools for children (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.219