Environmental management. Vol.1 : physio-ecological facets.
Rai, R. K. & others Eds.
Environmental management. Vol.1 : physio-ecological facets. - Jaipur,New Delhi etc Rawat Pubs. 1992 - xxxii,310p.
333.7 / RAI
Environmental management. Vol.1 : physio-ecological facets. - Jaipur,New Delhi etc Rawat Pubs. 1992 - xxxii,310p.
333.7 / RAI