[1]
R. K. Rana, P. Kaushal, and Y. S. Negi, “Benefit - Cost Analysis of Agro-forestry Trees in Eroded Soils - a Case Study of Upper - Swan Catchment in District Una (H.P.)”, Indian Forester, vol. 126, no. 12, pp. 1297–1308, Dec. 2000.