Volume 3 (2011)
- P. Kopchev and all - Резултати от проект „Биогорива – източник на съвместно устойчиво развитие в областта на трансгранично сътрудничество“ Дейност 2.10. The primary prepare of seed for oil extraction(Bulgarian language)
- P.Kopchev and all. - Резултати от проект „Биогорива – източник на съвместно устойчиво развитие в областта на трансгранично сътрудничество“ Дейност 2.11.Extracting oil from rape seed and purification of oil (Bulgarian language)
- Pub.Bulgarian National Multidisciplinary scientific network of the professional society for research - Third International Conference “Research People and Actual Tasks on Multidisciplinary Sciences” Lozenec, Bulgaria 8-10 June, 2011
- Pub.Bulgarian National Multidisciplinary scientific network of the professional society for research - Third International Conference “Research People and Actual Tasks on Multidisciplinary Sciences” Lozenec, Bulgaria 8-10 June, 2011
- Pub.Bulgarian National Multidisciplinary scientific network of the professional society for research - Third International Conference “Research People and Actual Tasks on Multidisciplinary Sciences” Lozenec, Bulgaria 8-10 June, 2011