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 (Unpublished)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 (Unpublished)