Kraeva, V., Emilova, P., Marinova, K. Electronic business in tourism. Svishtov: Academic Publishing House Tsenov, 2021 171 p. 978-954-23-2002-9.
Kraeva, V., Emilova, P., Marinova, K. Electronic business in tourism. Svishtov: Academic Publishing House Tsenov, 2021 171 p. 978-954-23-2002-9.
Kraeva, V., Emilova, P., Marinova, K. (2021) Electronic business in tourism, Svishtov: Academic Publishing House Tsenov 171 p. 978-954-23-2002-9.
Kraeva, V., Emilova, P., & Marinova, K. (2021). Electronic business in tourism. Учебно пособие за дистанционно обучение. Svishtov: Academic Publishing House Tsenov, 171 p.
Kraeva V, Emilova P, Marinova K. Electronic business in tourism: Учебно пособие за дистанционно обучение. Svishtov: Academic Publishing House Tsenov; 2021. p. 171 p. ISBN: 978-954-23-2002-9.