Ivan Lalovski, Margarita Krаsteva, Ivan Svinyarov, Anely Nedelcheva Faculty of Chemistry and Pharmacy, Sofia university “Saint. Kliment Ohridski”, Sofia
Paola Petkova1, Evgeni Grigorov2 1PhD, National Center of Public Health and Analyses 2Department of Organization and economics of Pharmacy, Faculty of Pharmacy, Medical University - Varna
Vladimir Petkov1, Zahari Vinarov2, Slavka Tcholakova2 1Department of chemical and pharmaceutical engineering , Sofia university "St. Kliment Ohridski" 2Department of chemical and pharmaceutical engineering , Sofia university "St. Kliment Ohridski"