Judul: Konsumsi Air Putih, Status Gizi, dan Status Kesehatan Penghuni Panti Werda di Kabupaten Pacitan.
Abstrak: The objective of this study was to learn and analyze the relationship between the consumption of plain water, nutritional status, and health status of panti werda residents in Pacitan. This study used cross-sectional study design. Subject of this study were panti werda residents. As many as 24 people were chosen as subject. Descriptive analysis showed that 75% of subject had plain water sufficient levels were categorized as adequate and 25% were inadequate. Energy and protein sufficiency levels of subject as many as 33% and 42% were categorized as normal. Micronutrient sufficient levels of subject consists of 83% phosphorus, 88% iron, and 100% vitamin A were categorized as adequate, but calcium and vitamin C sufficient levels as many as 96% and 100% were categorized as inadequate. As many as 42% subject had normal nutritional status, 25% were underweight, and 33% were overweight. Health status of subject as many as 54% were categorized as high and 46% were low. The Pearson and Spearman correlation test showed that nutritional status with nutrient intake, plain water consumption, and health status of subject had no significant relationship (p>0.05).
Keyword: plain water, nutritional status, nutrition intake, health status, elderly

Judul: Konsumsi Pangan, Aktivitas Fisik, Status Gizi dan Status Kesehatan Lansia di Panti Sosial Tresna Werdha Salam Sejahtera Bogor
Abstrak: The objective of this study was to learn and to analyze food consumption, physical activity, nutritional status and health status of the elderly in Panti Sosial Tresna Werdha Salam Sejahtera Bogor. The design of this study used cross sectional study. The number of samples obtained as many as 32 elderly. The results showed that the sufficiency level of energy was normal category, protein was in high category, vitamin A and C were in sufficient category and then Ca and Fe classified as defficient category. The nutritional status of most male sampels was obese-I while female was normal. Most of the sampels physical activities classified as mild. Most diseases for the past 6-12 months on male samples were diabetes melitus and hypertension on female samples. Most of either male or female samples had a lower morbidity score with high health status. The result of Pearson correlation test showed that the energy and nutrients intake had no significant relationship with nutritional status and health status (p >0.05) either nor between physical activity with nutritional status and health status, and nutritional status with health status (p >0.05).
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Judul: Bifurkasi Hopf pada siklus bisnis IS-LM tanpa dan dengan waktu tunda
Abstrak: One of business cycle models in dynamical economics is the IS-LM business cycle model with time delay, where the time delay lies in stock capital variables. It is a time delay between the existence of stock capital and the time to get ready to invest. In a model without time delay, changing the parameter of investment rate on income could affect the system stability. On the other hand, in a model with time delay, there exists critical time delay changing the system stability. This shows limit cycle, which can be concluded that Hopf bifurcation occurs
Keyword: Bogor Agricultural University (IPB), time delay, Hopf bifurcation, business cycle model