Phuangrat Phanphiriya และ Kusumal Rajatanun. (2009) Money saving behavior among women vendors in Bangkok :. Language Institute, Thammasat University,:ม.ป.ท.Phuangrat Phanphiriya และ Kusumal Rajatanun. 2009. Money saving behavior among women vendors in Bangkok :. ม.ป.ท.:Language Institute, Thammasat University,;Phuangrat Phanphiriya และ Kusumal Rajatanun. Money saving behavior among women vendors in Bangkok :. ม.ป.ท.:Language Institute, Thammasat University, 2009. Print.