حمدادة ليلى, and بوحفص مباركي. “The Importance and Significance of Color to the Algerian Consumer (A Field Study on a Sample of University Students and Professors of the Various Educational Phases: تاريخ الاستلام:11 09 2019 تاريخ القبول:26 10 2020”. Human Resources Development Research, vol. 16, no. 02, July 2021, pp. 568-91, https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/319.