Judul: Efektivitas Program Kegiatan Radio Pertanian Ciawi (RPC) dalam Pengembangan Masyarakat Pertanian
Abstrak: In accordance with the developments of the times, radio not only convey information on air broadcast in but also accompanied by a off air broadcast to further improve the effectiveness of radio and reach out to a hearer outside the reach of on air broadcast. Radio Pertanian Ciawi (RPC) active in on air and off air activities in advanced the world of agriculture and develop community farmers to get the latest information. This research aimed to see the effectiveness of Radio Pertanian Ciawi in the development of agricultural people are viewed from the activities of off air. This study is a research method of census by using quantitative approach that supported a qualitative approach. Based on the analysis of linear regression statistical tests with a total of 32 respondents were obtained that the characteristics of off air listeners generally don't have a real influence on the effectiveness of the RPC in the development of agricultural communities, influential factors on the only level of education, and for the factor program activities off air in general have a real influence on the effectiveness of the RPC in the development of agricultural communities
Keyword: community development., effectiveness, off air activity programme

Judul: Persepsi khalayak pendengar tentang mutu siaran radio pertanian Ciawi: Studi kasus Desa Cileungsi Kecamatan Ciawi dan Desa Ciriung Kecamatan Cibinong
Abstrak: The objectives of this research are to identify, first. the characteristic of Rodio-Pertanian Ciawi 's (RPC 's) audiences, its perceptions toward. and its exposure to the radio; second, to idenJify the characteristic of audiences that signiflC(lll//y related to the perceptions of audiences toward the RPC ·s_ The research was carried out at the Deso Cileungsi Kecamatan and Deso Cirit01g Kecamatan Cibinong of Kabupaten Bogor. A survey method with stratified random sampling was applied. The resulJ show that.first, most of the respondenls are 15 to 24 and 45 to 54 years old, secondary and high school level of education, and agricu/Jure as main livelihood. Most of the respondents viewed that the matter of broadcast are appropriate enough, creatively design, mannerly guided. and on time schedule. Widz regards to exposureness, the RPC 's was expose to the respondenls three to five times a week with 240 to 480 minutes of duraJion a week. Through Chi-square and Ranlc-Spearman analysis, the resulJ show that gender and education level are two variables of audiences characteristics that show strong relation to frequency and duration hearing the radio, and interactive design of the broadcast.
Keyword: Mutu siaran radio, radio pertanian

Judul: Closed Knight’s Tour pada Papan Catur Berbentuk Persegi Panjang dengan Ukuran Maksimal 8 × 8
Abstrak: Closed Knight’s Tour merupakan langkah kuda yang mengunjungi setiap kotak pada papan catur tepat satu kali dengan langkah kuda berawal dan berakhir pada kotak yang sama. Graf yang terbentuk dari closed knight’s tour dinotasikan sebagai graf G(m,n), dengan m adalah banyaknya baris dan n adalah banyaknya kolom. Graf tersebut memuat Hamiltonian cycle. Sebuah graf terhubung G adalah graf bipartite jika dan hanya jika graf tersebut tidak memiliki cycle dengan panjang ganjil. Papan catur yang memenuhi syarat cukup untuk memiliki closed knight’s tour adalah papan catur berukuran 5 × 6, 5 × 8, 6 × 6, 6 × 7, 6 × 8, 7 × 8, dan 8 × 8.
Keyword: bipartite, closed knight’s tour, hamiltonian cycle, knight’s tour, teori graf