TASHIAN, R.I. , TAVOLZHANSKA, Y.S. , TAVOLZHANSKYI, O.V., GRYNCHAK, S.V. and SMETANINA, N.V. 2023. Scientific doctrine as a source of law in international law and legal systems of the world. Revista Jurídica Portucalense . (Oct. 2023), 232–252.