Tuneva, Marina. “Nonprofit Marketing: Does Strategic Planning Help?”. Mednarodno inovativno poslovanje = Journal of Innovative Business and Management 12, no. 2 (November 3, 2020): 96-104. Accessed May 19, 2022. https://journal.doba.si/OJS/index.php/jimb/article/view/JIBM.2020.12.2.10.96-104.