Effects of 3R, 16S-2-hydroxyethyl apovincaminate (HEAPO), donepezil and galantamine on learning and memory retention in naïve Wistar rats by Dimitrova Darinka, Getova Damianka, Saracheva Kremena

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Singular Solutions to a (3 + 1)-D Protter-Morawetz Problem for Keldysh-Type Equations by Nedyu Popivanov, Tsvetan Hristov, Aleksey Nikolov, Manfred Schneider

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Raising cultural awareness of local traditions through festival tourism by Mariya Stankova, Ivanka Vassenska

“…In this regard, based on a survey among organizers of festivals, local entrepreneurs participating in festivals and tourists visiting them, the degree of authenticity of local traditions in South Bulgaria was estimated. With the main purpose – identification and establishment of opportunities for sustainable economic, social and cultural development of those regions, preserving and handing the existing heritage to future generations.…”
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Mathematical modelling criminality in Lithuania in a context of the East European countries by Vitalija Rudzkienė

“…General tendencies of criminality in Lithuania are the same as in Bulgaria, Hungary or Poland. The analysis of differences between the criminality in Lithuania and the average criminality rates in Bulgaria, Hungary and Poland is fulfilled using linear regression model. …”
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Localization and summability of multiple Hermite series by G. E. Karadzhov, E. E. El-Adad

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Does an Association between the Idiopathic Left-Sided Varicocele and Eye Colour Exist? by Philip Kumanov, Ralitsa Robeva, Analia Tomova

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Calorimetric Study of Helix aspersa Maxima Hemocyanin Isoforms by Svetla Todinova, Yuliana Raynova, Krassimira Idakieva

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Technology and Modeling of Nonclassical Transistor Devices by George V. Angelov, Dimitar N. Nikolov, Marin H. Hristov

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Application of Virtual Reality, Artificial Intelligence, and Other Innovative Technologies in Healthcare Education (Nursing and Midwifery Specialties): Challenges and Strategies by Galya Georgieva-Tsaneva, Ivanichka Serbezova, Silvia Beloeva

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Autogiros: Review and Classification by Tsvetomir Gechev, Krasimir Nedelchev, Ivan Kralov

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New Recursive Representations for the Favard Constants with Application to Multiple Singular Integrals and Summation of Series by Snezhana Georgieva Gocheva-Ilieva, Ivan Hristov Feschiev

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Parameterizing the SFC Baryogenesis Model by Daniela Kirilova, Mariana Panayotova

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Smart Zinc-Based Coatings with Chitosan–Alginate Nanocontainers Loaded with ZnO and Caffeine for Corrosion Protection of Mild Steel by Kamelia Kamburova, Nelly Boshkova, Tsetska Radeva, Nikolai Boshkov

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Hydrogels of Poly(2-hydroxyethyl methacrylate) and Poly(N,N-dimethylacrylamide) Interpenetrating Polymer Networks as Dermal Delivery Systems for Dexamethasone by Marin Simeonov, Bistra Kostova, Rositsa Mihaylova, Elena Vassileva

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On the Pulsating Strings in AdS4×ℂℙ3 by H. Dimov, R. C. Rashkov

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Detection and Attribution of a Spatial Heterogeneity in the Temporal Evolution of Bulgarian River Discharge by Natalya A. Kilifarska, Gergana I. Metodieva, Antonia Ch. Mokreva

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Profesoři Hermenegild a Karel Škorpilové působící v Bulharsku by Ludvík Skružný

“…Since his arrival in Bulgaria he has been working on a textbook on the geography of Bulgaria, researching Plovdiv waters, working on the geological map of southern Bulgaria, paying attention to speleology, natural mysteries (petrified forest near Varna, moving sands called Golden Sands) and others. …”
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Investigation of a Biochemical Model with Recycling in Case of Negative Cooperativity by Svetoslav G. Nikolov, Vassil M. Vassilev, Momchil I. Nenov

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Soil campodeids (Diplura, Campodeidae) of Eastern Europe, in Romanian and Bulgarian reliefs by Alberto Sendra, Cristina Fiera, Jesús Selfa, Pavel Stoev

“…This study presents data on soil campodeids collected in Romania and Bulgaria in recent years. The collection comprises 12 species of genus Campodea Westwood, 1842 in total. …”
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Convergence and Dynamics of Schröder’s Method for Zeros of Analytic Functions with Unknown Multiplicity by Plamena I. Marcheva, Stoil I. Ivanov

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