Some of knowledge, skills, competences are tried to transfer to students in schools with the education and training programs; students' physical, mental, spiritual growth are provided as a holistic perspective. The function of the school is not only to transfer information; is to provide the...

In this paper, we analyze a call center with impatient customers. We study how informing customers about their anticipated delays affects performance. Customers react by balking upon hearing the delay announcement and may subsequently renege, particularly if the realized waiting time exceeds the...