"Marketing Ethics and Competitiveness: An Empirical Study of Small and Medium Sized Enterprises (SMEs) in Algeria". مجلة إضافات إقتصادية, م 5, عدد 2, أكتوبر، 2021, ص 329-45, https://journals.univ-ghardaia.edu.dz/idafat/article/view/1137.