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Rentabilumo didinimas Lietuvos TSR kolukiuose
Mališauskas, V., (1965)
Tolesniu žemés ükio gamybos didinimo keliu
Klimašauskas, E., (1975)
Costs and returns for selected enterprises at the Southeast Georgia Branch Experimentation Station, 1966-1968 : with a summary for the 6-year period, 1963-1968
Saunders, Fred B., (1970)