1.
Boyanov P. Content of vol. 14, 2018, Journal Scientific and Applied Research: Content of vol. 14, 2018, Journal Scientific and Applied Research. JSAR [Internet]. 2023 Mar. 21 [cited 2024 Nov. 21];14(1). Available from: https://jsar.ftn.shu.bg/index.php/jsar/article/view/241