Judul: Analisis Perkembangan Koperasi di Indonesia dibandingkan dengan Negara-negara Maju dalam Perspektif Ekonomi Politik
Abstrak: Koperasi merupakan organisasi atau perkumpulan yang bekerja sama secara kekeluargaan dalam menjalankan usaha untuk meningkatkan kesejahteraan anggota dan sebagai salah satu penggerak perekonomian negara. Namun perkembangan koperasi di Indonesia sampai tahun 2009 tidak termasuk ke dalam koperasi kelas dunia menurut International Cooperative Alliance (ICA) jika dibandingkan dengan beberapa koperasi di negara lain seperti Swedia, Amerika Serikat, dan Korea Selatan. Penelitian ini bertujuan untuk mengetahui sejarah perkembangan koperasi dan karakteristik koperasi di Indonesia dibandingkan dengan Swedia, Amerika Serikat, dan Korea Selatan. Selain itu pembahasan lebih diperdalam dengan analisis ekonomi politik seperti liberal, sosial-demokrat, dan heterodoks. Data yang digunakan dalam penelitian ini adalah data sekunder dengan teknik pengumpulan data triangulasi. Metode yang digunakan adalah analisis isi (content analysis) secara deskriptif kualitatif. Hasil penelitian menunjukan bahwa perkembangan koperasi dan karakteristik koperasi disetiap negara tidak selalu sama atau terdapat keragaman dengan ekonomi politik yang berkembang dalam perekonomian suatu negara.
Keyword: Analisis Isi, Heterodoks, Koperasi, Liberal, Sosial-Demokrat

Judul: Analisis kinerja koperasi pada koperasi badan pusat statistik, Jakarta
Abstrak: Koperasi merupakan gerakan ekonomi yang sesuai dengan amanat pasal 33 UUD 1945. Sebagai bagian integral dari perekonomian nasional, koperasi mempunyai peran penting untuk ikut menumbuhkan dan mengembangkan potensi ekonomi rakyat. Namun sampai pada saat ini, masih banyak koperasi yang belum berhasil menunjukkan kualitas keunggulannya sebagai lembaga ekonomi milik rakyat. Secara kuantitatif kinerja koperasi memang meningkat tapi tidak begitu dengan sisi kualitatifnya. Paling tidak perkembangan secara kuantitatif, sudah menjadi bukti bahwa koperasi mampu bertahan dan berkembang di tengah persaingan yang ketat, bahkan pada saat krisis sekalipun.
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Judul: Enhancement of photon absorbtion on BaxSr1-xTiO3 thin films semiconductor using photonic crystals.
Abstrak: In this research, has been conducted BaxSr1-xTiO3 (BST) thin films manufacturing for mole fraction x = 0.25, 0.35, 0.45, and 0.55; and concentration of 1 molar using chemical solution depositon (CSD) method. The materials, which are used in this research, are barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%], titanium isopropoxide [Ti(C12O4H28), 97.999%], gallium trioxide [Ga2O3], 2-methoxyethanol [H3COOCH2CH2OH, 99%] and 1 x 1 cm of transparent conductive oxide (TCO) glass as substrate. Two BST thin films are made that for BST thin films which are doped by 10% galium (BGST) as p-type layer and pure BST solution as n-type. BST solution is made by reacting barium acetate [Ba(CH3COO)2, 99%], strontium acetate [Sr(CH3COO)2, 99%] and titanium isopropoxide [Ti(C12O4H28)] into 2-methoxyethanol solvent [H3COOCH2CH2OH, 99%] in accordance with mass gram for each x value. While, BGST solution is made in the same way as BST solution, plus adding gallium at 10% of the mass of BST. Once all materials are reacted, then vibrated using ultrasonic for 90 minutes, and followed by coating BGST / BST on the TCO substrate. Once the layer is formed, then annealed for 15 hours at temperature of 500 °C with increasing rate of 1.67 oC/minute. Characterizations of BST thin films with or without photonic crystals include the absorbance and transmittance in the visible light spectrum, as well as the electrical photoconductivity characterizations. From BST thin films without photonic crystals indicate that our thin films have light absorption area on almost the entire range of the visible light spectrum even to the infrared range with absorption value over than 67.6%, in addition, it can be seen that the maximum absorbance of BST thin films for all mole fractions lie in blue to green light spectrum region, 457 nm ≤ λ ≤ 570 nm and the minimum in yellow to red light spectrum region, 570 nm ≤ λ ≤ 678 nm. The largest absorbance is found at x = 0.25 with average absorbance value of 92.04% and maximum and minimum absorbance peaks at wavelength of 500.89 and 657.72 nm, respectively. At x = 0.35, average absorbance value decreased to 83.55% with maximum and minimum peaks at 505.73 and 613.68 nm, respectively. Then increased to 91.16% at x = 0.45 with maximum and minimum peaks at 506.04 and 618.56 nm, respectively. At x = 0.55, average absorbance value decreased to 80.12% with maximum and minimum peaks at 507.85 and 608.79 nm, respectively. Moreover, it can be seen that the addition of barium mole fraction leads to wider maximum absorbance or minimum transmittance peaks and narrower minimum absorbance or maximum transmittance peaks in the same range of the green and blue & red light spectrums, respectively. BST thin films with photonic crystals show increasing in absorption for all x values in the range of 3.04 into 13.33%. At x = 0.25, average absorbance percentage increased 3.96% from 92.4 into 95.68%, for x = 0.35 average percentage increased 7.07% into 89.45 from 83.55%. Furthermore, average absorbance of BST thin films at x = 0.45 increased 3.04% from 91.16 into 93.93% and x = 0.55 has
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