Teknologi pertanian sawah dan perubahan organisasi sosial (studi kasus masyarakat desa Tulem kecamatan Kurulu, kabupaten Jayawijaya - Irian Jaya)
The impact of wetland-rice technology on charge in social organization (a case study in Tulem village, Kurulu sub-district, district of Jayawijaya - Irian Jaya)