lohr, v. (1974). on a few theoretical questions of prognoses and long - term plans for the development of agricultural production. the institute of national planning.
Dyfyniad Arddull Chicagolohr, v. On a Few Theoretical Questions of Prognoses and Long - Term Plans for the Development of Agricultural Production. cairo: the institute of national planning, 1974.
Dyfyniad MLAlohr, v. On a Few Theoretical Questions of Prognoses and Long - Term Plans for the Development of Agricultural Production. the institute of national planning, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.