Judul: Faktor-faktor yang Mempengaruhi Keputusan Pembelian di Restoran Waroeng Taman Kota Bogor
Abstrak: The restaurant industry is highly competitive with respect to price, value and promotions, service, location, and food quality. Waroeng Taman restaurant has a natural concept that offers the food with Indonesian taste. The objectives are to identify the characteristics of consumer, analyze the process of purchasing decision, and analyze the influence factors of consumers purchasing decision at Waroeng Taman. The methods are using descriptive analysis and factor analysis. Descriptive analysis was used to describe the characteristics of consumer and the process of purchasing decision. Factor analysis was used to analyze the influence factors of consumers purchasing decision. There were six major influence factors of the consumers purchasing decision at Waroeng Taman, they were the service factor, the psychological process factor, the influence of environment factor, the product factor, the individual differences factor, and the external factor. Service factor was the main factor influencing the purchasing decision.
Keyword: Waroeng Taman, purchasing decision, influence factor

Judul: Faktor-Faktor yang Mempengaruhi Keputusan Pembelian Konsumen Restoran Pawon Kota Bogor
Abstrak: Penelitian ini bertujuan untuk menganalisis bagaimana proses keputusan pembelian serta faktor-faktor yang mempengarui keputusan pembelian Restoran Pawon Kota Bogor. Pada penelitian ini teknik pengambilan sampel menggunakan metode convinience sampling. Jumlah sampel yang digunakan sebanyak 60 orang. Metode yang digunakan dalam penelitian ini adalah analisis deskriptif dan analisis faktor. Analisis deskriptif digunakan untuk mengidentifikasi karakterisitik konsumen serta bagaimana proses pengambilan keputusan pembelian konsumen di Restoran Pawon Kota Bogor. Analisis faktor digunakan untuk mengelompokkan variabel-variabel yang memiliki kemiripan untuk dijadikan satu faktor sehingga akan diperoleh faktor-faktor utama yang membentuk keputusan pembelian oleh konsumen. Berdasarkan perhitungan menggunakan analisis faktor diperoleh lima faktor utama yang mempengaruhi keputusan pembelian konsumen di Restoran Pawon yaitu faktor pelayanan dan kepribadian (7.421), faktor harga (2.616), faktor sumberdaya konsumen dan pengaruh lingkungan (1.300), faktor internal konsumen dan produk (1.276), dan faktor promosi dan tempat (1.018).
Keyword: faktor, konsumen, pembelian, Restoran Pawon

Judul: Mathematical model of Hematopoietic Stem Cell in Chronic Myelogenous Leukemia with and without Therapy
Abstrak: Leukemia or blood cancer is a diverse group of neoplastic disease, characterized by the multiplication of abnormal leukocytes or malignant transformation of blood-forming cells in bone marrow and lymphoid tissues. One of the most common types of leukemia is Chronic Myelogenous Leukemia (CML), which is usually diagnosed by the presence of certain chromosomal abnormalities, the so-called Philadelphia chromosome (Ph). One of the treatments of CML is Granulocyte Colony-Stimulating Factor (G-CSF). In this paper, we discuss two Hematopoietic Stem Cell (HSC) models, i.e. HSC without treatment and HSC with G-CSF treatment. The model of HSC without treatment included three equations representing the dynamics of HSC, leukocyte and platelet. Whereas, the model of HSC with G-CSF treatment includes the previous three equations and adds two more equations representing G-CSF injection and G-CSF circulation. The stability behavior of the system approaching the equilibrium points in the simulation study is carried out using Mathematica 7.0. The simulation results show that the G-CSF treatment can successfully decrease the number of HSC, which means reducing the CML.
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