Agarwal, S. K,
Eco informatics Vol-3 (Wealth from waste) / - New Delhi: APH, 2002. - 329p.. - 2002.
Includes bibliography, index.
81-7648-327-3
Ecology
Wealth
333.7 / SKA/E-3
Eco informatics Vol-3 (Wealth from waste) / - New Delhi: APH, 2002. - 329p.. - 2002.
Includes bibliography, index.
81-7648-327-3
Ecology
Wealth
333.7 / SKA/E-3