|Activity of Bulgarian propolis against 94 Helicobacter pylori strains in vitro by agar-well diffusion, agar dilution and disc diffusion methods|
L Boyanova, G Gergova, R Nikolov, S Derejian, E Lazarova, N Katsarov, ...
Journal of medical microbiology 54 (5), 481-483, 2005
|Prevalence and evolution of Helicobacter pylori resistance to 6 antibacterial agents over 12 years and correlation between susceptibility testing methods|
L Boyanova, G Gergova, R Nikolov, L Davidkov, V Kamburov, C Jelev, ...
Diagnostic microbiology and infectious disease 60 (4), 409-415, 2008
|Inhibition of Helicobacter pylori growth in vitro by Bulgarian propolis: preliminary report|
L Boyanova, S Derejian, R Koumanova, N Katsarov, G Gergova, I Mitov, ...
Journal of Medical Microbiology 52 (5), 417-419, 2003
|Efficacy, safety and tolerability of vidofludimus in patients with inflammatory bowel disease: the ENTRANCE study|
KR Herrlinger, M Diculescu, K Fellermann, H Hartmann, S Howaldt, ...
Journal of Crohn's and Colitis 7 (8), 636-643, 2013
|Honey and green/black tea consumption may reduce the risk of Helicobacter pylori infection|
L Boyanova, J Ilieva, G Gergova, B Vladimirov, R Nikolov, I Mitov
Diagn Microbiol Infect Dis 82 (1), 85-6, 2015
|Antibacterial resistance in Helicobacter pylori strains isolated from Bulgarian children and adult patients over 9 years|
L Boyanova, R Nikolov, E Lazarova, G Gergova, N Katsarov, V Kamburov, ...
Journal of medical microbiology 55 (1), 65-68, 2006
|Competence based framework for curriculum development|
R Nikolov, E Shoikova, E Kovatcheva
Bulgaria: Za bukvite, O‟ pismeneh, 2014
|Learning in a smart city environment|
R Nikolov, E Shoikova, M Krumova, E Kovatcheva, V Dimitrov, ...
Journal of Communication and Computer 13 (7), 338-350, 2016
|Two-decade trends in primary Helicobacter pylori resistance to antibiotics in Bulgaria|
L Boyanova, R Nikolov, G Gergova, I Evstatiev, E Lazarova, V Kamburov, ...
Diagnostic microbiology and infectious disease 67 (4), 319-326, 2010
|Prevalence of resistant Helicobacter pylori isolates in Bulgarian children|
L Boyanova, R Koumanova, G Gergova, M Popova, I Mitov, Y Kovacheva, ...
Journal of medical microbiology 51 (9), 786-790, 2002
|Design issues of a distance learning course on business on the Internet|
K Stefanov, S Stoyanov, R Nikolov
Journal of Computer Assisted Learning 14 (2), 83-90, 1998
|Начала информатики: Язык лого|
R Nikolov, E Sendova
(No Title), 1989
|Education systems in the digital age: The need for alignment|
D Butler, M Leahy, P Twining, B Akoh, Y Chtouki, S Farshadnia, K Moore, ...
Technology, Knowledge and Learning 23, 473-494, 2018
|Towards web 2.0 schools: Rethinking the teachers professional development|
|Evaluation of clinical and socio-demographic risk factors for antibacterial resistance of Helicobacter pylori in Bulgaria|
L Boyanova, J Ilieva, G Gergova, Z Spassova, R Nikolov, L Davidkov, ...
Journal of medical Microbiology 58 (1), 94-100, 2009
|ICT-enhanced teacher training for lifelong competence development|
K Stefanov, I Naskinova, R Nikolov
IMICT 2007, 1, 2007
|A virtual environment for distance education and training|
R Nikolov, I Nikolova
IFIP WG3. 6 Conference, Vienna, 1996
|Conceptualising of smart education|
E Shoikova, R Nikolov, E Kovatcheva
Electrotech. Electron. E+ E 52, 2017
|Extended architecture of knowledge management system with Web 2.0 technologies|
A Antonova, E Gourova, R Nikolov
|Review of the impact of technology-enhanced learning on roles and practices in Higher Education|
S Price, M Oliver, M Fartunova, C Jones, H van der Meij, S Mjelstad, ...
Kaleidoscope deliverable 30 (1), 2005