Singh, Bakhshish, and Balvir Verma. “A Comparative Study of the Economics of Various Soil Conservation-Cum-Grassland Improvement Practices for Rejuvinating Forage Production in Ravine Lands - I (Forage Production)”. Indian Forester, vol. 97, no. 6, June 1971, pp. 315-21, doi:10.36808/if/1971/v97i6/26422.