Petkova-Gueorguieva, E., Getov, I., Ivanov, K., Ivanova, S., Gueorguiev, S., Getova, V., Mihaylova, A., Madzharov, V., Staynova, R. Regulatory requirements for food supplements in the European Union and Bulgaria. Plovdiv: 2019 41-48,.
Petkova-Gueorguieva, E., Getov, I., Ivanov, K., Ivanova, S., Gueorguiev, S., Getova, V., Mihaylova, A., Madzharov, V., Staynova, R. Regulatory requirements for food supplements in the European Union and Bulgaria. Plovdiv: 2019 41-48,.
Petkova-Gueorguieva, E., Getov, I., Ivanov, K., Ivanova, S., Gueorguiev, S., Getova, V., Mihaylova, A., Madzharov, V., Staynova, R. (2019) Regulatory requirements for food supplements in the European Union and Bulgaria, Plovdiv: 41-48,.
Petkova-Gueorguieva, E., Getov, I., Ivanov, K., Ivanova, S., Gueorguiev, S., Getova, V., Mihaylova, A., Madzharov, V., & Staynova, R. (2019). Regulatory requirements for food supplements in the European Union and Bulgaria. Plovdiv: 41-48.
Petkova-Gueorguieva E, Getov I, Ivanov K, Ivanova S, Gueorguiev S, Getova V, et al. Regulatory requirements for food supplements in the European Union and Bulgaria. Plovdiv: 2019. p. 41-48.