Judul: Perceptions of Fishing Business Actors Toward Services Belawan Ocean Fishing Port
Abstrak: Pelayanan pelabuhan perikanan merupakan aktivitas untuk memberikan kegunaan waktu dan tempat termasuk pelayanan pra transaksi, saat transaksi, dan pasca transaksi. Permasalahan yang terjadi di PPS Belawan adalah belum adanya analisis persepsi pelaku usaha penangkapan ikan terhadap tingkat kepuasan dan belum adanya strategi dalam meningkatkan pelayanan terhadap pelaku usaha penangkapan ikan. Jika permasalahan tidak diselesaikan akan berdampak pada efektivitas pelayanan yang ada di PPS Belawan, seperti misalnya ketidakpuasan dari pelaku usaha penangkapan ikan. Penelitian ini bertujuan untuk mengukur persepsi pelaku usaha penangkapan ikan terhadap pelayanan di PPS Belawan dan memberikan strategi peningkatan pelayanan PPS Belawan terhadap pelaku usaha penangkapan ikan. Penelitian ini menggunakan metode studi kasus. Metode penentuan responden dilakukan dengan Teknik Accidental Sampling. Hasil penelitian menunjukan bahwa tingkat kepuasan pengguna terhadap pelayanan di PPS Belawan adalah 68,96% (cukup puas). Adapun cara untuk peningkatan pelayanan di PPS Belawan terdiri dari delapan strategi., Fishing port services are activities to provide the use of time and place including pre-transaction, transaction, and post-transaction services. The problem that occurs at PPS Belawan is that there is no analysis of the perception of fishing businesses on the level of satisfaction and there is no strategy in improving services to fishing businesses. If the problem is not resolved, it will have an impact on the effectiveness of services at PPS Belawan, such as dissatisfaction from fishing businesses. This study aims to measure the perception of fishing businesses towards services at PPS Belawan and provide a strategy for improving PPS Belawan services to fishing businesses. This research uses a case study method. The method of determining respondents is done by Accidental Sampling Technique. The results showed that the level of user satisfaction with services at PPS Belawan was 68.96% (quite satisfied). The way to improve services at PPS Belawan consists of eight strategies.
Keyword: satisfaction, strategy, port services, fishing businesses, Belawan fishing port

Judul: Mooring and Anchoring Services Enhancement for Purse Seiner at Pengambengan Fishing Port
Abstrak: Pelabuhan Perikanan Nusantara (PPN) Pengambengan memiliki fungsi pemerintahan berupa pelayanan jasa tambat labuh kapal perikanan. Jasa tambat labuh tersebut dirasa kurang karena terdapat 20 kapal slerek (Purse Seine) yang memilih untuk berlabuh di luar kolam pelabuhan. Penelitian ini bertujuan untuk mengoptimalkan jasa tambat labuh kapal slerek dengan mengidentifikasi aktivitas pendaratan hasil tangkapan serta faktor-faktor yang mempengaruhi nelayan untuk menambatkan kapal, kemudian dirumuskan strategiyang dapat diambil oleh pihak pelabuhan. Penelitian dilakukan melalui observasi secara langsung dan wawancara terhadap nelayan dan aparatur pelabuhan menggunakan metode purposive sampling. Hasil penelitian menunjukkan bahwa terdapat penurunan pendapatan retribusi sebesar Rp146.804.400,00 per tahun akibat nelayan yang memilih untuk berlabuh di luar kolam. Didapatkan pula faktor yang mengakibatkan nelayan tidak bertambat di dermaga seperti sedimentasi, tarif mahal, letak kapal tidak teratur, dan tidak adanya hukum yang memaksa. Strategi kemudian dirumuskan menggunakan pembalikan akar masalah pada diagram fishbone., Pengambengan fishing port had government function in the form of mooring and anchoring services for fishing vessels. The services was inadequate since there were 20 purse seiners anchoring outside the pool. This research aims to optimize purse seiners mooring services by identify unloading activities and factors that influence fishermen to moor ships, then formulating strategies that can be done by the port. The research was conducted through direct observation and interviews with fishermen and port officials using the purposive sampling method. The results show that there was reduction in income for IDR 146.804.400,00 per year due to fishermen choose to be anchoring outside the pond. It was also found that factors resulted in fishermen not mooring at the wharf, such as sedimentation, high rates, irregular boat locations, and the absence of compelling laws. The strategy was then formulated by reversing the root cause from fishbone diagram.
Keyword: sedimentasi, pelabuhan perikanan, tambat labuh, anchoring, fishing port, sedimentation

Judul: Konstruksi Hukum Grup Kurva Eliptik Atas F3m
Abstrak: Elliptic curves upon F3m can be divided in two cases, i.e. supersingular and nonsupersingular case. Based on group laws on elliptic curves, a new arithmetic upon F3m can be formulated as an addition process of two random points on the curve. This addition process can then be applied to the ElGamal algorithm.
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