354.7 Administration of commerce, communications, transportation
354.72 General forms of control vi
354.7 Quản lý thương mại, truyền thông, giao thông vận tải
354.72 Hình thức kiểm soát chung it
354.7 Amministrazione del commercio, delle comunicazioni, dei trasporti
354.72 Forme generali di controllo
Dewey Decimal Classification
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