J., L., U., W., S., S.(1989).Population pressure, the environment and agricultural intensification : variations on the Boserup hypothesis / Uma J. Lele, Steven W. Stone .:World Bank.
Gaya MLA
Lele, Uma, J.., Stone, Steven, W.."Population pressure, the environment and agricultural intensification : variations on the Boserup hypothesis / Uma J. Lele, Steven W. Stone".:World Bank,1989.Textbook.