Gourari, Miryam, and Omar AKACEM. “The Impact of Technological Innovation on Improving Enterprise Products- Case Study of National ‎Company for the Maghreb Mattresses- LIT-MAG – Tlemcen. ‎‏ ‏”. Dirassat Journal Economic Issue 6, no. 1 (January 1, 2015): 107-125. Accessed July 22, 2024. http://journals.lagh-univ.dz/index.php/djei/article/view/357.