Grachev, I. A. (1958). Statistical classifications in the study of industrial economics inthe USSR. Moskow: Central Statistical Administration.
Παραπομπή Chicago StyleGrachev, I. A. Statistical Classifications in the Study of Industrial Economics Inthe USSR. Moskow: Central Statistical Administration, 1958.
Παραπομπή MLAGrachev, I. A. Statistical Classifications in the Study of Industrial Economics Inthe USSR. Moskow: Central Statistical Administration, 1958.
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