TY - BOOK AU - Danlels,R.J.Ranjit AU - TI - Environmental studies SN - 978 81 265 1943 9 U1 - 333.707/D167e PY - 0000///Wiley PY - 2009/// CY - New Delhi KW - Conservation of natural resources - study and teaching. KW - Human ecology N1 - Includes index and bibliography. ER -