Следене
Elka Vasileva Елка Василева
Elka Vasileva Елка Василева
University of national and world economy, Sofia; професор, Университет за национално и световно
Потвърден имейл адрес: unwe.bg
Заглавие
Позовавания
Позовавания
Година
Antimicrobial effects of some hydroxycoumarins and secoiridoids from Fraxinus ornus bark.
T Iossifova, A Kujumgiev, A Ignatova, E Vassileva, I Kostova
Die Pharmazie 49 (4), 298, 1994
281994
Reverse‐phase high pressure liquid chromatographic analysis of hydroxycoumarins in plant extracts. Quantitative determination of hydroxycoumarins in Fraxinus ornus
N Nykolov, T Iossifova, E Vassileva, I Kostova, G Stoev
Phytochemical Analysis 4 (2), 86-88, 1993
261993
Antiviral activity of some hydroxycoumarin derivatives
AS Galabov, T Iosifova, E Vassileva, I Kostova
Zeitschrift für Naturforschung C 51 (7-8), 558-562, 1996
221996
Environmental Performance of Companies with Environmental Management Systems in Bulgaria
D Ivanova, A Haradinova, E Vasileva
Quality Access to Success Journal 17 (152), 61, 2016
182016
Quality of organic foods—a model for comparative analysis
E Vasileva, D Ivanova, N Tipova, S Stefanov
Organic Agriculture 9 (1), 1-12, 2019
172019
Towards a sustainable consumer model: The case study of bulgarian recyclers
E Vasileva, D Ivanova
International journal of consumer studies 38 (5), 475-484, 2014
142014
Effect of some hydroxycoumarins on complement-mediated hemolysis in human serum.
N Ivanovska, T Yossifova, E Vassileva, I Kostova
Methods and findings in experimental and clinical pharmacology 16 (8), 557-562, 1994
141994
GREEN BUSINESS MANAGEMENT AS A BUSINESS OPPORTUNITY FOR SMALL AND MEDIUM-SIZE ENTERPRISES IN POLYMER INDUSTRY.
E Vasileva, Y Hristova-Pesheva, D Ivanova
Journal of Chemical Technology & Metallurgy 53 (4), 2018
122018
Comparative study of the total phenolic content and radical scavenging activity of conventionally and organically grown herbs
DI Trendafilova A., M. Todorova, E. Vasileva
Botanica Serbica 34 (2), 133 – 136, 2010
122010
Use of Organobismuth Derivatives for Arylation of Piperazines
E Vassileva, M Shopova, C Fugier, E Henry-Basch
Synthetic communications 27 (10), 1669-1675, 1997
121997
A Convenient Preparation of β –Acetamido Substituted Tryptamine Derivatives
JS Boisbrun M., E. Vassileva, Raoul M., J. - Y
Monatshefte fur chemie, 1641–1649, 2003
11*2003
Practical Syntheses of Functionalized 1-Oxo-L, 2, 3, 4-Tetrahydro-β-carboline-3-carboxylic Acid Esters
L Jeannin, J Sapi, E Vassileva, P Renard, JY Laronze
Synthetic communications 26 (9), 1711-1719, 1996
111996
A general preparation of β-substituted tryptophan esters
L Jeannin, T Nagy, E Vassileva, J Sapi, JY Laronze
Tetrahedron Letters 36 (12), 2057-2058, 1995
111995
Eco-Innovations in Bulgarian Companies with Pro-Environmental Policy.
D IVANOVA, A HARADINOVA, E VASILEVA
Quality-Access to Success 20 (168), 2019
82019
Quality labeling and information asymmetry: Identification of quality labeling certification schemes in Bulgaria
B Nikolov, E Vasileva, D Ivanova
Quality – access to success 11 (116), 83 – 92, 2010
72010
Education About Standardization in the Context of Sustainable Development
E Vasileva
Sustainable Development, 79-94, 2020
52020
Organic Foods Trade - a Criterion for Ecological Culture and the Challenges Bulgaria Faces
EV Ivanova D.
Journal of Global Business&Trade 1 (1), 65- 73, 2005
52005
Secoiridoid and Phenolic Compounds from Fraxinus ornus
I Kostova, T Yossifova, E Vassileva, B Mikhova
Planta Medica 59 (S 1), A705-A705, 1993
51993
Consumers' Perceptions of Organic Foods in Bulgaria: Evidence from Semantic Differentials Application
E Vasileva, D Ivanova, G Zabunov, N Tipova, S Stefanov
Building Organic Bridges 1, 89-92, 2014
42014
Consumer Behaviour and Food Consumption Patterns in South East Europe
E Vasileva, I Daniela
Handbook of Doing Business in South East Europe, Promitzer, Christian, et al …, 2012
42012
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Статии 1–20