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La rentabilité de la recherche
Maurice, Pierre, (1964)
Pravovyje voprosy organizacii naučnoj raboty v SSSR
Fedkin, G.I., (1958)
10 let Akademii nauk Azerbajdžanskoj SSR 1945 - 1955 : Nauč. sessija, 23-27 aprelja 1955 g
Aliev, M. M., (1957)
An introduction to techniques of programme evaluation
Jones, P. M. S., (1971)
Single project evaluation : hydrostatic extrusion ; Part A
Systems concepts and the environment