Items where Author is "Drs. I.B. Wirawan, Drs."
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HOTMAN SIAHAAN, Drs. and Soetandyo Wignjosoebroto, MPA and Drs. I.B. Wirawan, Drs. and Herwanto, Drs. (1980) MASALAH PENYERAPAN TENAGA KERJA DI DAERAH PEDESAAN. UNIVERSITAS AIRLANGGA, Surabaya. (Unpublished)