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Pesc̆anye pustyni i polupustyni Severnogo Prikaspija
Jakubov, T. F., (1955)
Melioracija, rešajuščij faktor ustojčivogo naraščivanija prodovol'stvennogo fonda strany
Paskar', P., (1985)
Agriculture in the canal irrigation region of the Pakistan Punjab : its historical background and current problems
Dettmann, Klaus, (1981)
FAO mediterranean project
Sen, B. R., (1959)
Food and population
Sen, B. R., (1965)
The hunger problem and possibilities of its solution
Sen, B. R., (1962)