ABSTRAK
Penelitian ini bertujuan untuk mengetahui karakteristik literatur dan usia parohidup bahan ajar program studi Administrasi Negara FISIP UT, serta bagaimanaketersediannya di perpustakaan UT.Penelitian ini merupakan penelitian deskriptif. Sampel dalam penelitian iniadalah bahan ajar UT yang digunakan oleh Program Studi Administrasi NegaraFakultas Ilmu Sosial dan Ilmu Politik dari tahun 2006 sampai 2011 berjumlah 40bahan ajar dengan jumlah sitiran 2297 sitiran. Metode pengumpulan datamenggunakan metode dokumentasi.Hasil penelitian menunjukkan bahwa : (a) mayoritas literatur yang disitir untukpenulisan bahan ajar 88,1 % (1.896 sitiran) menggunakan buku, jurnal 41 sitiran(1.9%), majalah 9 sitiran (0.4%), sumber dari internet 22 sitiran (1%),tesis/disertasi/skripsi 7 sitiran (0,3%), sumber lain-lain 176 sitiran (8.2%), (b)frekuensi penggunaan literatur berbahasa Indonesia lebih tinggi dibandingkandengan bahasa Inggris dan bahasa lainnya. Dari 2297 sitiran, 1349 sitiran (58,7%) berbahasa Indonesia , 942 sitiran (41%) berbahasa Inggris dan 6 sitiran(0.3%) berbahasa lainnya, (c) tahun terbit literatur yang disitir sebagai acuanuntuk penulisan bahan ajar UT, tertua tahun 1900 dan termuda tahun 2009, (d)pada penghitungan paro hidup (half life) untuk program studi Administrasi Negaradiperoleh angka 14 tahun, artinya bahwa separo dari literatur bahan ajar untukprogram studi Administrasi Negara yang disitir berusia 14 tahun atau lebih mudadan 50 % sisanya berusia lebih dari 14 tahun. Literatur bahan ajar program studiAdministrasi Negara yang paro hidupnya melebihi 14 tahun dianggap telah usang,(e) dari total 2007 sitiran dalam bentuk buku yang digunakan penulis bahan ajar,yang tersedia di perpustakaan UT sebanyak 507 sitiran atau 25% .

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ABSTRACT
The object of this theses is to disclose the literature characteristics and the halflife time of the learning material in the Public Administration Study Programmeof Political and Social Science Faculty, Open University (FISIP UT), and theavalaibility level in the UT Library.The research is a descriptive research. The samples in this research are thelearning materials of the Public Administration Study Programme of FISIP UTbetween 2006 and 2001 year, totally there are 40 learning material with 2,297citation. The data collection was done by the documentation method.The results concluded : (a) the greatest part of the literatures that were quoted forthe teaching substance (88.1% or 1,896 citations) used books and journals 41citations (1.9%), 9 citation of magazines (0.4%), 7 citation of sources frominternet (1%), 7 citation from theses and dissertations (0.3%) and 176 citationsfrom other sources (8.2%). (b) the usage of literatures in Bahasa Indonesia aremore frequent than the English or other languages. In 2,297 citations, 149citations are in Bahasa Indonesia (58.7%), 942 citations in English (41%) and 6citations are in other languages (0.3%). (c) In matter of publication year of theliteratures which are citated as the references for the teaching substances, theoldest is 1900 and the most recent is 2009. (d) In counting the half life for thePublic Administration, it resulted 14 years. It means that half life of the teachingsubstance for the Public Administration citated are 14 years or earlier, and therest 50% of them are 14 years or more age. The literatures that have more than 14years old are considered as obsolete. (e) between the total 2,007 citations in thebook form that are used by the teaching substance authors, 507 citations (or 25%)of them are available in the UT Library.