00000cam a22000004a 4500 UP-99796217603415357 Buklod 20230503092542.0 m |o d | ta 040713s1998 xx r |||| u|eng d (iLib)UPD-00000198055 DECON eng HC 441 Z82 E5 E36 1998 [no.7] Du Yaping The value of improved water quality for recreation in East Lake, Wuhan, China application of contingent valuation and travel cost methods Du Yaping. Singapore Economy and Environment Program for Southeast Asia 1998. 23 p. EEPSEA research report series [no.7] Water quality management China. Lakes Recreational use. East Lake (Donghu) Recreational use. Economy and Environment Program for Southeast Asia. International Development Research Centre. Book FO paper UPD DECON HC 441 Z82 E5 E36 1998 [no.7] Book