V International scientific conference “Science. Business. Society.” 09-12.03.2020, Borovec, Scientific technical Union of Mechanical Engineering “Industry 4.0”
Доклад:
Angelova, M. & Pastarmadzhieva, D. (2020) Conceptual Model for Investigating the Innovation Activity of Enterprises, International scientific journal Science. Business. Society. 5 (1): 17-19. (Print ISSN 2367-8380, Web ISSN 2534-8485). Publisher: Scientific Technical Union of Mechanical Engineering “Industry-4.0”