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: Efek Siaran Pedesaan dalam Meningkatkan Pengetahuan Petani pada Radio Pertanian Ciawi (RPC)
Abstrak: Rural broadcasting at radio important to provide information to rural communities, especially farmers to increase their farming knowledge. This study aim to know the effects of rural broadcasts on radio in increasing farmer knowledge and what factors are correlated with an increased their knowledge. The results showed that rural broadcasts can provide high effect in increasing the knowledge of farmers. Internal factors respondents which have a correlation with an increase of their knowledge are age, education, mass media ownership, motivational listening, listening frequency, and length of listening. Broadcast material factors which are correlated with an increased knowledge of farmers is suitability of the duration of the broadcast, suitability of broadcast material, and style of delivery of the message. Station radio factors which are correlated with an increased knowledge of farmers is radio formats and the credibility of broadcaster.
Keyword: rural broadcasting, farmers, radio

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