spevacek, v. (1966). some problems of working out and utilization in planning the structural balances (in put-out put tables) in czechoslovakia. the institute of national planning.
Παραπομπή σε μορφή Chicago (17η εκδ.)spevacek, vojtech. Some Problems of Working Out and Utilization in Planning the Structural Balances (in Put-out Put Tables) in Czechoslovakia. cairo: the institute of national planning, 1966.
Παραπομπή σε μορφή MLA (9th εκδ.)spevacek, vojtech. Some Problems of Working Out and Utilization in Planning the Structural Balances (in Put-out Put Tables) in Czechoslovakia. the institute of national planning, 1966.