Kotpal, R. L. B. (1986). Concepts of ecology: Environmental and field biology.
Chicago Edition CitationKotpal, R L; Bali. Concepts of Ecology: Environmental and Field Biology. Vishal Publications, Delhi, 1986.
MLA Edition CitationKotpal, R L; Bali. Concepts of Ecology: Environmental and Field Biology. 1986.
Warning: These citations may not always be 100% accurate.