"The diversifying strategy of market and tourism product as a mechanism to face the negative reflections of tourism sector analysis of international experiences", renaf, م 20, عدد 34, ص 219–230, يونيو 2025, تاريخ الوصول: أكتوبر 23, 2026. موجود في: https://journals.univ-chlef.dz/index.php/renaf/article/view/240