Filipova, Milena, y Radostina Yuleva-Chuchulayna. «INNOVATION PROJECTS AS A FACTOR FOR STRATEGIC DEVELOPMENT OF SMALL AND MEDIUM - SIZED ENTERPRISES». Revista Inclusiones (abril 16, 2020): 461-476. Accedido mayo 5, 2024. https://revistainclusiones.org/index.php/inclu/article/view/1348.