Judul: Livelihoods Structure and Strategies of Greengrocer Households in the Mawar Market of Bogor City
Abstrak: Strategi nafkah merupakan usaha yang dilakukan manusia untuk mempertahankan eksistensi kehidupannya. Sementara itu, penelitian ini memfokuskan kajian pada strategi nafkah dan pemanfaatan modal nafkah salah satu pekerja sektor informal yaitu pedagang sayur di Pasar Mawar Kota Bogor. Penelitian ini dilakukan karena hilangnya kesempatan kerja di sektor pertanian sebagai akibat menyempitnya luas lahan pertanian dan efisiensi pertanian karena desakan kebutuhan. Akibatnya terjadilah proses migrasi desa-kota yang berujung pada masuknya para migran ke sektor informal di perkotaan. Metode yang digunakan dalam penelitian ini adalah penelitian survei menggunakan kuesioner dan data kualitatif menggunakan wawancara mendalam, pengolahan data sekunder dan observasi lapang sebagai penunjang data-data kuantitatif. Hasil penelitian ini nantinya akan menunjukan karakteristik rumahtangga pedagang sayur, struktur nafkah pedagang sayur, strategi nafkah yang dilakukan oleh pedagang sayur di sektor informal, pengaruh pemanfaatan modal nafkah terhadap tingkat pendapatan, dan alasan pedagang sayur bertahan dalam menjalani usahanya di area publik.
Keyword: Bogor Agricultural University, Institut Pertanian Bogor, IPB, Informal sector, livelihoods strategies, livelihood assets, Human ecology, Agricultural land, Natural capital, Physical capital, Social capital, Financial capital

Judul: Struktur dan Strategi Nafkah Pedagang Makanan di Sektor Informal Daerah Suburban Kabupaten Bogor
Abstrak: Livelihood strategies are done by humans to maintain the sustainability of life. Meanwhile, this research is focused on livelihood strategies of food seller in informal sector. The study is conducted because industrialization and development. Affect of this industrialization and development are urbanizing process, so that is make profession conversion of domination farmer become food stall at informal sector. The method used in this study is survey research using questionnaires and qualitative approach using a slip, case studies and observations to support quantitative data. The results of this study is about characteristics of informal sector workers especially in food vendors, the structure of household income, livelihood strategies, the reason to trade in public areas and management saving capacity of informal sector workers.
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Judul: Hydroxyapatite-Chitosan Composite Coating on Stainless Steel 316 to Improve Corrosion Resistance
Abstrak: Metals that were used in bone implantation should have good corrosion resistance that were not easily corroded when implanted into the body. Metal corrosion resistance of stainless steel 316 can be enhanced through the metal coating by hydroxyapatite-chitosan composite with composition ratio of hydroxyapatite (gram) and chitosan 3% (mL) 0.2:0, 0.2:0.1, 0.2:0.5, 0.2:1.0, and 0.2:1.5. Besides improving the corrosion resistance of metal, the presence of chitosan also maintain the position of hydroxyapatite on metal surfaces. Corrosion resistance increases with increasing amount of chitosan added and the best composition of hydroxyapatite-chitosan composite was 0.2:1.0.
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