Items where Author is "J. B. Wirawan, Drs."
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Hotman Siahaan, Drs. and Soetandyo Wignyosoebroto, MPA and Herwanto, Drs. and J. B. Wirawan, Drs. (1981) STRUKTUR KEMISKINAN MASYARAKAT PETANI DIPEDESAAN. UNIVERSITAS AIRLANGGA. (Unpublished)