Improving organizational effectiveness in Manufacturing plants has become important constantly going back to the drawing board observe how measure manufacturing achieve results based on goals, is it therefore be aware of challenges which employees may face because are heart plant a product goes from being raw material finished good employees, The various departments can always review these meas...

the main objective of the present survey is to conduct a comparative analysis of the challenges of the performance evaluation system in two private and public sectors and their impact on effectiveness of human resources management practices. this survey was conducted using the field-descriptive method. the historical study method was used to collect theoretical subjects and the field study meth...

the aim of this research was to study the effect of communication skills and interpersonal communication and their roles in the effectiveness of managers of sport organizations. the research was descriptive analytical and conducted through a survey. the population included 670 sport managers of iran sport organizations. the sample was selected by stratified random sampling method. questionnaire...