TY - BOOK AU - Santra,S.C. ED - Proceedings of the National conference of the recent environmental changes-impact on health, agriculture and ecosystem TI - Recent environmental changes-impact on health, agriculture and ecosystem U1 - 338.1 PY - 2003/// CY - Kalyani PB - University of Kalyani KW - Agricultural ecology KW - Agriculture KW - Environmental aspects KW - Environmental health ER -