TY - BOOK AU - Tripathy,S.N. AU - Panda,Sunakar TI - Fundamentals of environmental studies SN - 8187125209 U1 - 333.7 19 PY - 1999/// CY - Delhi PB - Vrinda Publications Ltd. KW - Environment KW - Spines N1 - Includes index and bibliographical references N2 - Environment Management ER -