Solutions to Manage Smart Cities’ Risks in Times of Pandemic Crisis by Mariana Petrova, Iskren Tairov

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Empirical Testing of Models of Autoregressive Conditional Heteroscedasticity Used for Prediction of the Volatility of Bulgarian Investment Funds by Mariana Petrova, Teodor Todorov

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Elements of control of competitiveness of telecommunication companies by Olena Franchuk, Mariana Petrova, Galina Tolkachova

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Applied aspects of time series models for predicting residential property prices in Bulgaria by Svetoslav Iliychovski, Teodora Filipova, Mariana Petrova

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Assessing the Market Risk on the Government Debt of Kazakhstan and Bulgaria in Conditions of Turbulence by Olga Em, Georgi Georgiev, Sergey Radukanov, Mariana Petrova

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Regional tourism infrastructure development in the state strategies by Mariana Petrova, Nadiya Dekhtyar, Oleksii Klok, Olha Loseva

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Model of the Factors Affecting the Eco-Innovation Activity of Bulgarian Industrial Enterprises by Valentina Nikolova-Alexieva, Iordanka Alexieva, Katina Valeva, Mariana Petrova

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