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1[Medan] : Perwakilan BPS, Kantor Statistik Prop. Sumatera Utara,v. : ill. ; 25-33 cm.“...Sumatera Utara (Indonesia) Statistics Periodicals....”
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2Medan : Kantor Sensus & Statistik Propinsi Sumatera Utara,v. ; 16 cm.“...Sumatera Utara (Indonesia) Statistics Periodicals....”