Judul: Analisis Struktur Modal Optimal Perusahaan dalam Industri Semen yang Terdaftar pada BEI Periode 2008-2012
Abstrak: The cement industry has an important role in exploiting the growing opportunities development of the property sector and infrastructure announced the government through MP3EI program in the long run. The purpose of this study was to 1) Analyze the capital structure of companies in the Cement Industry period 2008-2012 listed on the Indonesia Stock Exchange; 2) Analyze the value of companies in the Cement Industry period 2008-2012 listed on Indonesia Stock Exchange; 3) Analyze the optimal capital structure associated with firm value in the Cement Industry period 2008-2012 listed on Indonesia Stock Exchange. Data processing was performed using Microsoft Excel 2007 software components analysis method of capital structure and capital cost analysis. The results is the optimal capital structure PT Indocement Tunggal Prakarsa Tbk and PT Holcim Indonesia Tbk occurred in 2012 with firm value of Rp 172.55 trillion and Rp 100.02 trillion. While the optimal capital structure of PT Semen Indonesia (Persero) Tbk occurred in 2010 with firm value of Rp 84.20 trillion.
Keyword: optimal capital structure, Firm value

Judul: Penentuan Struktur Modal yang Optimum Pada Perusahaan Makanan dan Minuman yang Terdaftar di BEI
Abstrak: Increasing competition in the business in line with the economic development requires the company to undertake the development or expansion of the company. A company must have an optimal capital structure in order to survive in the industry. The combination of this capital structure will affect the cost of capital to be issued by the company. If the optimal capital structure is said to have a low capital cost. This study was conducted to analyze the determination of an optimal capital structure in companies in the food and beverage industry. The data used are secondary data obtained from the financial statements of PT Mayora Indah Tbk, PT Tiga Pilar Sejahtera Tbk, PT Indofood Sukses Makmur Tbk, and PT Indofood CBP Sukses Makmur Tbk are processed using the method of calculating the cost of capital (COC) and Weight Average Cost of Capital (WACC). The results showed that PT Tiga Pilar Sejahtera Tbk and PT Indofood Sukses Makmur Tbk already have an optimal capital structure.
Keyword: company value, food and beverage company, cost of capita, capital structure

Judul: Protozoa Parasitik Darah dan Saluran Pencernaan pada Ular Sawah (Ptyas corros) di Kabupaten Ngawi
Abstrak: The purpose of this study is to give information about blood parasitic protozoan and gastrointestinal tract protozoan from Chinese Ratsnake (Ptyas korros). Ten Chinese Ratsnake that collected from Alas pecah village at Ngawi district used in this study. Faecal and blood sample were collected weekly for three weeks. Blood sample were stained by Giemsa and faecal sample were natively examined. Parasites were identified using morphological approach under microscope. The results showed that 5 parasites type had found on Chinese Ratsnake. They were consist of 4 intestinal parasites types (Giardia sp., Balantidium sp., Entamoeba sp., Cryptosporidium sp.) and blood parasites type (Plasmodium sp.). Those parasites can be potentially zoonotic. All snakes were infected by Plasmodium sp. Meanwhile Giardia sp., Balantidium sp., Entamoeba sp. dan Cryptosporidium sp. of the snake had been founded by number of 90%, 80%, 80% and 70% respectively.
Keyword: Ptyas corros, protozoan, intestinal tract, Blood