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ANNUAL OF KONSTANTIN PRESLAVSKY UNIVERSITY OF SHUMEN, Vol. XXII С, 2021 |
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| Title, authors | p. |
| DYNAMICAL BEHAVIOR OF THE STRONG DISPERSIVE NONLINEAR WAVE EQUATION MEHMED KODZHA |
3 |
| ON THE EMBEDDING PROBLEM OF CENTRAL CYCLIC EXTENSIONS OF ABELIAN GROUPS IVO M. MICHAILOV, IVAYLO A. DIMITROV, IVAN S. IVANOV |
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| OVERVIEW OF CRYPTOGRAPHIC ALGORITHMS FOR AUDIO FILES AND THEIR PROPERTIES TSVETELINA R. IVANOVA |
23 |
| INTEGRATING THE MULTIMEDIA APPROACH IN MODERN EDUCATIONAL TECHNOLOGIES NIKOLAY S. GINCHEV, KRASIMIR M. KORDOV |
33 |
| PRACTICAL GUIDELINES IN ACCOUNTING OR HOW COMMERCIAL BOOKS WERE "KEPT" IN THE EARLY XX CENTURY SLAVENA G. STOYANOVA |
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| THINKING, INTELLECT AND MATHEMATICS TRAINING DIANA R. STEFANOVA |
55 |
| THE POSSIBILITIES OF OWN BLOCKS IN THE SCRATCH EDUCATIONAL ENVIRONMENT KRASIMIR V. HARIZANOV |
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