Judul: Analysis of Sugarcane Farmer's Satisfaction to the Partnership with Krebet Baru Sugar Factory
Abstrak: Persaingan PG Krebet Baru untuk mendapatkan bahan baku Tebu Rakyat semakin ketat. Kemitraan dengan Petani Tebu Rakyat menjadi strategi utama PG Krebet Baru untuk memenuhi kebutuhan produksi setiap tahunnya. Tujuan penelitian ini adalah untuk mengetahui pola kemitraan PG Krebet Baru dan menganalisis tingkat kepuasan Petani Tebu Rakyat mitra terhadap kemitraan dengan PG Krebet Baru. Responden penelitian berjumlah 40 orang Petani Tebu Rakyat mitra. Pengambilan data menggunakan metode purposive sampling. Pola kemitraan PG Krebet Baru adalah semi-inti-plasma. Secara keseluruhan, analisis kepuasan dengan indikator skor Customer Satisfaction Score (CSAT) menunjukkan bahwa kepuasan Petani Tebu Rakyat terhadap kemitraan PG Krebet Baru termasuk ke dalam kategori tingkat kepuasan tinggi. Tingkat kepuasan tertinggi terdapat pada aspek kemampuan komunikasi interpersonal dan kedekatan emosional pendamping dan aspek kemudahan dalam menghubungi dan menemui pendamping. Sebaliknya, terdapat 2 aspek yang masuk ke dalam CSAT kategori kepuasan tingkat rendah, yaitu aspek transparansi informasi terkait harga dan rendemen, dan aspek kesesuaian harga jual hasil panen tebu., The competition for obtaining raw materials for sugarcane is intensifying for PG Krebet Baru. Partnering with sugarcane farmers is the main strategy of PG Krebet Baru to meet its annual production needs. This study aimed to determine the partnership pattern of PG Krebet Baru and to analyze the level of satisfaction among sugarcane farmer partners on this partnership. The research respondents consisted of 40 purposively choose sugarcane farmer partners reveals that the partnership pattern of PG Krebet Baru is semi-plasma core. Overall, a CSAT score indicates that the satisfaction of sugarcane farmers to the partnership with PG Krebet Baru falls into the high satisfaction category. The highest satisfaction was observed in the aspects of interpersonal communication skills and emotional closeness with the companion, as well as the ease of contacting and meeting the companion. In contrast, there are two aspects fall into the low-level satisfaction category: transparency of price and yields information and the suitability of the selling price of the sugarcane harvest.
Keyword: partnership, sugarcane, CSAT, partnership satisfaction

Judul: Analysis of Sugarcane Farmers' Satisfaction to the Partnership with PT PG Rajawali II Jatitujuh Unit
Abstrak: Penerapan kemitraan antara PT PG Rajawali II Unit Jatitujuh dengan petani tebu menjadi dasar dari penilaian kepuasan petani terhadap kemitraan. Penelitian ini bertujuan menganalisis karakteristik usahatani dan petani mitra, menganalisis pola kemitraan, mengukur tingkat kepuasan petani tebu terhadap kemitraan PG Jatitujuh, dan merumuskan implikasi manajerial. Metode yang digunakan adalah analisis deskriptif, crosstab, Importance Performance Analysis (IPA), dan Customer Satisfaction Index (CSI). Karakteristik usahatani dan petani mitra dianalisis berdasarkan usia, jenis kelamin, tingkat pendidikan, jumlah tanggungan keluarga, luas areal lahan, pekerjaan di luar bertani tebu, lama bermitra, dan alasan petani mengikuti kemitraan. PG Jatitujuh menerapkan sistem pola inti plasma dalam kemitraan dengan petani. Hasil analisis IPA, atribut prioritas utama yaitu penanganan hama dan penyakit serta transparansi pemberian sharing. Skor CSI 73,85% menyatakan petani puas dengan kemitraan yang berjalan dengan perbaikan dalam segi pengawasan, komunikasi, dan bimbingan secara langsung kepada petani., The implementation of the partnership between PT PG Rajawali II Unit Jatitujuh and sugarcane farmers is the basis for assessing farmer satisfaction. This research aims to analyze the characteristics of farmers, analyze the partnership patterns, measure the level of satisfaction of sugarcane farmers with the PG Jatitujuh partnership, and formulate managerial implications. The methods used are descriptive analysis, crosstab, Importance Performance Analysis (IPA), and Customer Satisfaction Index (CSI). The characteristics of farmers were analyzed based on age, gender, education level, number of family dependents, land area, another job besides sugarcane farming, length of farmers joining the partnership, and reasons why farmers joined the partnership. PG Jatitujuh implements a plasma core pattern system in collaboration with farmers. The results of the IPA analysis show that the main priority attributes are pest and disease management and transparency in sharing. A CSI score of 73.85% states that farmers are satisfied with the ongoing partnership with improvements in supervision, communication, and direct guidance to farmers.
Keyword: IPA, CSI, kemitraan, tingkat kepuasan, partnership, PG Jatitujuh, satisfaction level

Judul: The Exploration of Discrete Logarithm over Finite Field GF(3m)
Abstrak: The security of many public~key algorithms is based on the problem of finding discrete logarithms. The generalized discrete logarithm problem is the following: given a finite cyclic group G of order n, a generator a of G, and an element fl E G, find the integer x, 0 ~ x ~ n - 1, such that 0: = fl. Algorithm for discrete logarithm problem focused on Menezes et al. (1997) that consist of exhaustive search algorithm, the baby-step giant-step algorithm, Pollard's rho algorithm, Pohlig-Hellman algorithm, and index-calculus algorithm. These algorithms are explorated to be used in discrete logarithm problem over finite field GF(3m ). The exploration also produces some algorithms, i.e. naif negative algorithm, baby-step mother-step algorithm, baby-step mother free-step algorithm, and baby-step free-step algorithm. All algorithms implemented using Maple 11. The Pohlig-Hellman and baby-step giant-step algorithms are efficient enough to be used in discrete logarithm problem over finite field GF(3m ) for m < 20.
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