Feimi, Dorjana, Vasilika Kume, and Enida Pulaj. “Macro Environment and Innovation in Service Sector. The Evidence from Albanian Context”. European Journal of Sustainable Development 5, no. 2 (June 1, 2016): 137. Accessed April 19, 2025. http://ojs.ecsdev.org/index.php/ejsd/article/view/322.