Items where Author is "Ophirtus, Sumule"
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Monograph
Ophirtus, Sumule (1995) Identitas petani dan keadaan usaha tani di kecamatan Memberamo Tengah, Kabupaten Jayapura, Irian Jaya. Technical Report. Badan Pengkajian dan Penerapan Teknologi, Jakarta. (Unpublished)
Ophirtus, Sumule (1995) Studi kependudukan masyarakat kecamatan Memberamo Tengah Kabupaten Jayapura, Irian Jaya. Technical Report. Badan Pengkajian dan Penerapan Teknologi, Jakarta. (Unpublished)