Pornpen Vora-Sittha. (2012) A New Financial Instrument for Thai Urban Poor : A Case Study in Bangkok Metropolitan Aea. <i>Development Economic Review</i>, <i>6</i>(2), 23.Pornpen Vora-Sittha. "A New Financial Instrument for Thai Urban Poor : A Case Study in Bangkok Metropolitan Aea". Development Economic Review 6 (2012):23.Pornpen Vora-Sittha. A New Financial Instrument for Thai Urban Poor : A Case Study in Bangkok Metropolitan Aea. School of Development Economic:ม.ป.ท. 2012.