The main purpose of this paper is to provide a quantitative analysis to investigate the behavior of the OPEC oil price. Obtaining the best mathematical equation to describe the price and volatility of oil has a great importance. Stochastic differential equations are one of the best models to determine the oil price, because they include the random factor which can apply the effect of different ...

Individualised open and distance learning at the university continuing education and post-graduate education levels is a central issue of today. The advanced information and communication technologies together with several applications offer new perspectives, such as the so-called virtual university. Simultaneously, to gain market share, several organisational arrangements are emerging in the v...

Individualised open and distance learning at the university continuing education and post-graduate education levels is a central issue of today. The advanced information and communication technologies together with several applications offer new perspectives, such as the so-called virtual university. Simultaneously, to gain market share, several organisational arrangements are emerging in the v...

This issue of the Journal contains two important articles that discuss human epidermal growth factor receptor 2 (HER2), also known as c-erbB2 or neu, as a therapeutic target in breast cancer (1,2). The first details preclinical studies that examine the combination of trastuzumab with a number of chemotherapeutic agents. The second applies the knowledge learned in the preclinical studies to the ...

This policy statement defines culturally effective health care and describes its importance for pediatrics and the health of children. The statement also defines cultural effectiveness, cultural sensitivity, and cultural competence and describes the importance of these concepts for training in medical school, residency, and continuing medical education. The statement is based on the conviction ...

The importance of continuing education for nurses has been increasingly emphasized in the nursing literature since the beginning of the profession. The concept of continuing education is often used as a substitute for associated terms such as continuing professional development and lifelong learning, thus highlighting a need for its clarification. The purpose of this article is to explain and d...