Apinya Waiwathana. 2009. Factors affecting foreigners' decisions in joining the meditation course at the Middle Way meditation retreat. Bangkok:Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.187
Apinya Waiwathana. (2009) Factors affecting foreigners' decisions in joining the meditation course at the Middle Way meditation retreat (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.187
Apinya Waiwathana. Factors affecting foreigners' decisions in joining the meditation course at the Middle Way meditation retreat. Bangkok:Thammasat University, 2009. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.187
Apinya Waiwathana. (2009) Factors affecting foreigners' decisions in joining the meditation course at the Middle Way meditation retreat (รายงานผลงานวิจัย). Thammasat University:Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2009.187