Bulgaaria agrotööstuskompleksidVainu, HerbertSotsialismimaailm : [kogumik]1984 / lk. 92-95 : foto https://www.ester.ee/record=b1248227*est Corrosive changes and chemical composition of the orthodontic archwires' surface during treatmentPetrov, Valeri G.; Terzieva, Stanimira D.; Lazarova, Tz I.; Mikli, Valdek; Andreeva, Laura A.; Stoyanova-Ivanova, Angelina K.Bulgarian Chemical Communications2013 / p. 455 - 460 http://www.bcc.bas.bg/BCC_Volumes/Volume_45_Number_4_2013/Volume_45_Number_4_2013_PDF/BCC-45-4-2013_7.pdf Journal metrics at Scopus Article at Scopus Internationalization and SME development in Poland, Bulgaria and the Baltic StatesSmallbone, David; Piasecki, B.; Venesaar, Urve; Todorov, K.SME-s and SME Policy in the Central and Eastern European Countries, Budapest, 2-4 April, 1998 : conference proceedings1998 / [20] p