Author:
Simeonova-Ganeva Ralitsa,Vladimirov Zhelyu,Boeva Margarita,Panayotova Natalia,Ganev Kaloyan Ivanov,Peneva Roza
Reference80 articles.
1. ????????? ? ???????????? ?? ???? ?????. ???;? ????????;??. ?. ?????????, ?????,1992
2. НА ВНИМАНИЕТО НА ФИРМИТЕ, ПРЕДПРИЯТИЯТА, ОРГАНИЗАЦИИТЕ!
3. ?????? ?? ?????????????????????? ?? ??????????? ?????????. ?????????? ?????????????? ?????????? ???? ??????? ?? ??????? ?? ???;???,2008