This paper presents a robust hybrid improved dolphin echolocation and ant colony optimization algorithm (IDEACO) for optimization of truss structures with discrete sizing variables. The dolphin echolocation (DE) is inspired by the navigation and hunting behavior of dolphins. An improved version of dolphin echolocation (IDE), as the main engine, is proposed and uses the positive attributes of an...

customer satisfaction is the major concern to many leading companies throughout the world.customer satisfaction is the major concern to many leading companies throughout the world. more firms use satisfaction ratings as an indicator of the performance of products and services and as an indicator of the company’s future. as lately shown companies that are able to identify customer needs and alig...

OBJECTIVE To evaluate Saudi dental students' opinions on the qualities and attributes of an effective dental teacher. METHODS This cross-sectional study was conducted between March and May 2014 at the College of Dentistry, King Saud University. Self-administered questionnaires were distributed to all students enrolled in the 2013/2014 academic year. The questionnaire contained 43 items regard...

This paper analyses the relationship between board of director (BoD) attributes and financial performance in small medium-sized enterprises (SMEs). Although SMEs are backbone world economies, most studies on this focused large companies did not consider many typical or recommended processes activities carried out by SME BoDs. We monitored a set variables related to BoD such as composition, char...