“THE RELATIONSHIP BETWEEN THE PERCEPTIONS OF MANAGER’S SKILLS WITH THE COMPONENT OF TOTAL QUALITY MANAGEMENT (TQM) WITH AN EMPHASIS ON CUSTOMER-ORIENTATION AND SELF-ASSESSMENT”. Singaporean Journal of Business Economics and Management, vol. 1, no. (12), Dec. 2013, pp. 1-8, https://singaporeanjbem.com/index.php/SJBEM/article/view/150.