https://wseasreviewers.blogspot.com/2022/06/ophelya-mazanova.html2. WSEAS TRANSACTIONS ON COMPUTERS 26 June 2022
https://wseasreviewers.blogspot.com/2022/06/ophelya-mazanova_26.html3. WSEAS TRANSACTIONS ON COMPUTERS 01 october 2022
https://wseasreviewers.blogspot.com/search?q=Ophelya+Mazanova4. WSEAS TRANSACTIONS ON COMPUTERS 11 october 2022
https://wseasreviewers.blogspot.com/2022/10/ophelya-mazanova_11.htm5. PROOF 17 october 2022
https://wseasreviewers.blogspot.com/2022/10/ophelya-mazanova-mazanova.html6. WSEAS TRANSACTIONS ON BUSINESS AND ECONOMICS 27 november 2022
https://wseasreviewers.blogspot.com/2022/11/ophelya-mazanova.html