| PHYSICS |
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| Hazem Ali Attia | Heat and mass transfer in elastico-viscous fluid past an impulsively started infinite vertical plate with ion slip | 5 |
| Hazem Ali Attia | Transient circular pipe MHD flow of a dusty fluid considering the hall effect | 15 |
Vladimir M. Ristić Tijana S. Kevkić | Overcoming the widespread missunderstanding in the special theory of relativity | 25 |
Soumendranath Bhakat | Comparative molecular field analysis of the [3, 3] sigmatropic rearrangement | 29 |
CHEMISTRY |
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Shuxian Li | Zagreb polynomials of thorn graphs | 33 |
Xiaoxin Xu Fuyi Wei Ivan Gutman | Comparing the energy of two unicyclic molecular graphs | 39 |
Ivan Gutman Marina Janošević Slavko Radenković | Effect of benzocyclobutadieno-annelation on cyclic conjugation in coronene | 45 |
BIOLOGY |
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Sava Vasić Ivana Radojević Nenad Pešić Ljiljana Čomić | Influence of sodium selenite on the growth of selected bacteria species and their sensitivity to antibiotics | 55 |
Milan Stanković | Total phenolic content, flavonoid concentration and antioxidant activity of Marrubium peregrinum L. extracts | 63 |
Makarov E. Slobodan Vladimir T. Tomić | First finding of Nopoiulus kochii (Diplopoda, Julida, Blaniulidae) in Serbia | 73 |
Ana Mitrovski-Bogdanović Bela Blesić | Seasonal dynamics of Protura in an oak forest in Kragujevac (Serbia) | 77 |
Snežana B. Pešić | First record of Dryophthorus corticalis (Coleoptera: Curculionoidea, Dryophthoridae) in Serbia | 83 |