Petrov, P., Valov, N. Strategic and Tactical Problems in Fintech and E-business Companies. Варна: Съюз на учените - Варна, 2019 с. 55 - 61, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Petrov, P., Valov, N. Strategic and Tactical Problems in Fintech and E-business Companies. Варна: Съюз на учените - Варна, 2019 с. 55 - 61, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Petrov, P., Valov, N. (2019) Strategic and Tactical Problems in Fintech and E-business Companies, Варна: Съюз на учените - Варна с. 55 - 61, ISSN 1314-7390 (рrint) ; 2603-4085 (online).
Petrov, P., & Valov, N. (2019). Strategic and Tactical Problems in Fintech and E-business Companies. Варна: Съюз на учените - Варна, с. 55 - 61.
Petrov P, Valov N. Strategic and Tactical Problems in Fintech and E-business Companies. Варна: Съюз на учените - Варна; 2019. p. с. 55 - 61. ISBN: ISSN 1314-7390 (рrint) ; 2603-4085 (online).