Online ISSN: 2367-9158
Print ISSN: 1310-4624
Authors: Elena Perevalova
Views: 226
Authors: Georgeta Nazarska
Views: 194
Authors: Albert Benbassat
Views: 209
Authors: Dimitar Ganchev
Views: 207
Authors: Gabriela Georgieva, Silviya Naydenova
Views: 225
Authors: Elena Popova
Views: 217
Authors: Anna Maria Tammaro, Marina Encheva
Views: 210