TY - BOOK AU - Singh,Ghanshyam N. AU - Varagunasingh,T.Valuthi Vauthi AU - Manonmoney,N. TI - Environmental economics SN - 817099277X AV - HC79 .E5 1991 U1 - 363.7 PY - 1991/// CY - New Delhi PB - Mittal KW - Environmental economics Economics KW - Environment Environment KW - Economics ER -