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"Kepemimpinan Pembelajaran (instructional leadership) mempunyai peran yang sentral dalam menciptakan kondisi dan lingkungan sekolah yang dapat mendorong pencapaian prestasi siswa yang optimal. Prestasi akademik siswa adalah ukuran sebarapa baik siswa dalam memahami materi belajar yang dibuktikan pencapaian nilai terstandar melalui penilaian belajar di kelas. Penelitian ini bertujuan untuk menganalisis pengaruh kepemimpinan pembelajaran terhadap prestasi belajar siswa di SMAN 2 Indramayu. Penelitian ini menggunakan pendekatan kuantitatif. Jumlah sampel sebanyak 155 siswa kelas 12, dan analisis statistik yang digunakan adalah analisis regresi sederhana. Berdasarkan hasil penelitian menunjukan bahwa kepemimpinan pembelajaran yang mencakup 7 dimensi yaitu : peningkatan secara berkelanjutan, budaya belajar, penilaian, pengembangan profesional guru, manajemen sekolah, etika, dan toleransi terhadap perbedaan, mempunyai pengaruh yang signifikan terhadap prestasi belajar siswa di SMA N 2 Indramayu.

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Instructional Leadership has central role in creating condition and school climate in endorsing high student academic achievement. Student academic achievement is a measure of how well students are learning concepts and curriculum as evidence by standardized test scores, performance on classroom assessments.The research was conducted to analyze the influence of instructional leadership toward student learning achievement in SMAN 2 Indramayu. The approach of the research is quantitative, 155 students of twelve grade have been taken as sample, and simple regression has been applied to test the hypothesis of the research. Based on the result of the research indicated that instructional leadership which cover 7 dimensions: continuous improvement, culture for learning, assessment, professional growth, management of the school, ethic, and diversity, has significantly influence toward student learning achievement in SMAN 2 Indramayu."

"One of the fisheries management model for the open seas is a population diffusion model , where fish are free to move . This model could be developed from population growth and harvesting models...."

"This paper is the result of the rain attenuation research, especially the results of ARIMA modeling of tropical rain attenuation in thr design of 28 GHZ millimeter wave communication system. Data acquasition is done on the link distance of 56.4 meters on Electrical campus ITS Surabaya. Data acquisition was recorded using the device every 1 second. The data obtained are processed using an ARIMA (p,d,q) model. The process aims to obtain a time series model. Validation process in done by comparing the ARIMA model result with measurements and attenuation model of ITU - R P.838-3. From 6 events that obtained in February 2009 concluded that all events can be approached by ARIMA (0,1,1) model. ARIMA (0,1,1) model can be used to generate rain attenuation data."