Helmand Valley Farm Economic Surveys, 1965-2000:
- Economics of Agriculture Production in Helmand Valley, Afghanistan, I.M. Stevens, J.K. Tarzi, US Bureau of Reclamation, 1965.
- 1970 Farm Economic Survey: Helmand and Arghandab Valleys of Afghanistan, G.P. Owens, USAID/Kabul, 15 Dec 71.
- 1970s Helmand Farm Labor Demand Curve, USAID.
- 1975 Farm Economic Survey of the Helmand Valley, F. Shairzai, G. Farouq, R. Scott, USAID/Kabul, 1978.
- Farming Systems of Nad Ali District, Helmand Province, Swedish Committee for Afghanistan, August 1992.
- Helmand Initiative Socio-Economic Survey, AKBAR Survey Unit, UNDP and Helmand Planning Group, April 2000.
- Shamalan Canal Socio-Economic Study, C. Sacnz and Faiz-ur-Rahman, Afghans for a Civil Society, 27 pp.
- Economics of Agriculture Production in Helmand Valley, Afghanistan, I.M. Stevens, J.K. Tarzi, US Bureau of Reclamation, 1965.
- 1970 Farm Economic Survey: Helmand and Arghandab Valleys of Afghanistan, G.P. Owens, USAID/Kabul, 15 Dec 71.
- 1970s Helmand Farm Labor Demand Curve, USAID.
- 1975 Farm Economic Survey of the Helmand Valley, F. Shairzai, G. Farouq, R. Scott, USAID/Kabul, 1978.
- Farming Systems of Nad Ali District, Helmand Province, Swedish Committee for Afghanistan, August 1992.
- Helmand Initiative Socio-Economic Survey, AKBAR Survey Unit, UNDP and Helmand Planning Group, April 2000.
- Shamalan Canal Socio-Economic Study, C. Sacnz and Faiz-ur-Rahman, Afghans for a Civil Society, 27 pp.