IDRC. Regional Office for Southeast and East Asia, Economy and Environment Program for Southeast AsiaTapvong, CKruavan, J.2007-11-132000-05-312007-11-131999http://hdl.handle.net/10625/26998Text45 p. : ill.enRIVER POLLUTIONWASTEWATERWATER TREATMENTCOSTSPRICINGTHAILANDWATER QUALITYRIVERSECONOMIC EVALUATIONPOLLUTER PAYS PRINCIPLESURVEYSWater quality improvements : a contingent valuation study of the Chao Phraya RiverIDRC-Related Report