Yazar
Dev Raj Khanna
14 cilt bulundu.
Dev Raj Khanna · Biotech Books
192 sayfa · 2011
Freshwater organisms / Freshwater ecology / Water quality
Dev Raj Khanna, Chakresh Pathak · Biotech Books
334 sayfa · 2013
Plant diversity / Plant diversity conservation
Dev Raj Khanna · Daya Pub. House
694 sayfa · 2011
Water / Water-supply engineering / Water quality management / Purification / Appropriate technology
Dev Raj Khanna, Anil Kumar Dhiman · Daya Pub. House
390 sayfa · 2008
Therapeutic use / Vegetable Materia medica / Phytochemicals
Dev Raj Khanna, Chakresh Pathak · Biotech Books
344 sayfa · 2013
Environmental protection / Sustainable development / Biodiversity
Dev Raj Khanna, R. Bhutiani, Gagan Matta, Vikas Singh · Biotech Books
435 sayfa · 2013
Biodiversity conservation / Environmental management
Dev Raj Khanna, G. S. Solanki, S. K. Pathak, Fouzia Ishaq · Biotech Books
438 sayfa · 2014
Forest ecology / Biodiversity / Forest biodiversity conservation / Traditional ecological knowledge / Forest plants