TY - GEN AU - Lakshmi, G. Swarajya AU - Prasadini, P. Prabhu AU - Thatikunta, Ramesh AU - Tayaru, V N L V TI - Environmental science : a practical manual SN - 9788178002286 U1 - 363.7 PY - 2010/// CY - Hyderabad PB - BS Publications KW - Environmental Science ER -