TY - BOOK AU - Chaudhary,Vimlesh AU - Singh,Karan AU - Kakralya,B.L. TI - Environmental protection SN - 8171322492 U1 - 333.72 PY - 2000/// CY - Jaipur PB - Pointer Publishers, Distributed by Aavishkar Publishers' Distributors KW - Environmental protection KW - India KW - Pollution ER -