Title	Functioning of Economic Systems in the Context of Their Potential Development in the Conditions of Circular Economy
Author	Anna Pohrebniak, Liudmyla Petrashko, Nina Dovgopol, Yurii Ovsiuchenko, Oksana Berveno
Citation	Vol. 21  No. 12  pp. 309-315
Keywords	economic system, potential, production model, circular economy, linear economy, closed cycle.

Title	Use of Innovation and Information Technologies In Music Lessons
Author	Tetiana Potapchuk, Olga Fabryka-Protska, Liubov Gunder, Violetta Dutchak, Yaroslav Osypenko, Kateryna Fomin, Nataliia Shvets,
Citation	Vol. 21  No. 12  pp. 300-308
Keywords	nnovative information technologies, music art lessons, multimedia means, musical culture, abilities.

Title	Legal Regulation and Ways to Overcome Corruption in The Authorities of Public Administration
Author	Viacheslav Puzyrnyi, Margaryta Liutikova, Mykola Butko, Oksana Lashuk, Yuliia Olyfirenko
Citation	Vol. 21  No. 12  pp. 293-299
Keywords	corruption, local government, public administration, civil service reform; state regulation.

Title	EFFICIENT OPEN SOURCE DISTRIBUTED ERP SYSTEM FOR LARGE SCALE ENTERPRISE
Author	MOHAMED ELMASSRY and SAAD AL-AHAMADI
Citation	Vol. 21  No. 12  pp. 280-292
Keywords	Odoo, ERP, distributed ERP systems, distributed database, CockroachDB. Open Source ERP.