Popovych О.; Vashulenko О.; Kostrіtsia О. . . CHANGES IN THE AGE OF MAXIMUM HANGES IN THE AGE OF MAXIMUM PRODUCTIVITY OF RESEARCHERS RODUCTIVITY OF RESEARCHERS IN THE 21 N THE 21ST CENTURY. Science and Innovation, Ukraine, v. 17, n. 6, p. 41–49, 2021. DOI: 10.15407/scine17.06.041. Disponível em: https://scinn-eng.org.ua/ojs/index.php/ni/article/view/65. Acesso em: 16 jan. 2022.