Chekerovska, Marija, Risto Filkoski, Todor Cekerovski, and Sara Srebrenkoska. 2018. “NUMERICAL MODELING OF FLAT PLATE SOLAR COLLECTORS WITH A CFD APPROACH”. Balkan Journal of Applied Mathematics and Informatics 1 (2), 45-51. https://js.ugd.edu.mk/index.php/bjami/article/view/2469.