Petrov, P., Ivanov, S., Petrivskyi, V. An Approach for Creating Business Model for Using Virtual Tools in Startup Companies. Varna: Union of Scientists - Varna, 2020 pp. 19 - 26, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Petrov, P., Ivanov, S., Petrivskyi, V. An Approach for Creating Business Model for Using Virtual Tools in Startup Companies. Varna: Union of Scientists - Varna, 2020 pp. 19 - 26, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Petrov, P., Ivanov, S., Petrivskyi, V. (2020) An Approach for Creating Business Model for Using Virtual Tools in Startup Companies, Varna: Union of Scientists - Varna pp. 19 - 26, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Petrov, P., Ivanov, S., & Petrivskyi, V. (2020). An Approach for Creating Business Model for Using Virtual Tools in Startup Companies. Varna: Union of Scientists - Varna, pp. 19 - 26.
Petrov P, Ivanov S, Petrivskyi V. An Approach for Creating Business Model for Using Virtual Tools in Startup Companies. Varna: Union of Scientists - Varna; 2020. p. pp. 19 - 26. ISBN: ISSN 1314-7390 (рrint) ; 2603-4085 (online).