Judul: Analisis Brand Switching Produk Telkomsel dan Implikasinya Pada Bauran Produk Untuk Segmen Remaja Siswa SLTA di Bogor.
Abstrak: Brand switching which occured on phone card products is very high, this is the focus of the company in planning the appropriate product mix strategy in reaching the phone card market share. The purposes of this Research are ( 1 ) to identify the consumer perceptions and brand switching factors in using telkomsel phone card product (2) to analyze the brand switching level of Telkomsel phone card product, and (3) to recommend the development of Telkomsel phone card product mix. Based on the brand switching factors research, the descriptive statistical analysis result shows that the need of a strong signal is the main factor of brand switching and price is the driver factor of Telkomsel phone card product brand switching level. Analysis of brand switching pattern matrix shows that the brand switching level of Telkomsel phone card product is dominated by loyal consumers or not switching to other phone cards. Telkomsel is predicted to increase in market share based on the Markov Chains assumption.
Keyword: The Product Mix., Telkomsel, Brand Switching

Judul: Analisis Faktor-Faktor yang Mempengaruhi Perpindahan Merek pada Pelanggan Kartu Prabayar GSM
Abstrak: Cellular industry of Indonesia has grown many folds in recent years. This situation has originated a hyper competition among major cellular service providers in Indonesia. In this competitive cellular market, customer switching is injurious for every telecommunication company. This study explore relationship between customer loyalty and variety seeking behavior on customer switching in cellular industry especially pre paid GSM customer. Customer loyalty influenced customer value, satisfaction, and switching barrier. Factor that influence variety seeking behavior are variety seeking need and characteristic of product category. This research was conducted in Jakarta, primary data was collected by a set of questionnaire and allocated to 230 prepaid GSM customer. Research methods used structural equation modeling (SEM) using AMOS version 18. Findings revealed that customer value and switching barrier have significant effect on customer loyalty; variety seeking need has significant positive effect on variety seeking behavior; customer loyalty has significant negative effect on brand switching; and variety seeking behavior has significant positive effect on brand switching.
Keyword: 

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.
Keyword: