TY - BOOK AU - Singh,M.K. TI - Environmental changes and development / SN - 8185076707 U1 - 573.43 SIN PY - 1989/// CY - Allahabad, India : PB - Chugh Publications, KW - Land use, Rural -- India -- Uttar Pradesh KW - Agricultural ecology -- India -- Mirzapur (District) ER -