HAMZA KAYA BESLER. Can HRV Training Make Us Happy: An Experimental Study on University Students. Journal of Educational Issues, [S. l.], v. 8, n. 3, p. pp. 115–123, 2024. DOI: 10.5296/jei.v8i3.20199. Disponível em: https://macrojournal.org/index.php/jei/article/view/1123. Acesso em: 5 oct. 2024.