الطيبي عبد الله; عياد ليلى. Purple economy and cultural diversity: تاريخ الاستلام:29/01/2020 تاريخ القبول:03/06/2020. Human Resources Development Research, [S. l.], v. 15, n. 03, p. 441–452, 2020. Disponível em: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/237. Acesso em: 2 nov. 2026.