EXISTENTIAL-PHENOMENOLOGICAL APPROACH TO THE TRANSFORMATION OF EDUCATIONAL CONTENT THROUGH THE ACTUALIZATION OF SCIENTIFIC HERITAGE: THE CASE OF O.M. TUTUNDZHYAN. Education in the 21st Century, [S. l.], v. 8, n. 1, p. 10–28, 2026. DOI: 10.46991/educ-21st-century.v8.i1.010. Disponível em: https://journals.ysu.am/Educ-21st-Century/article/view/14493. Acesso em: 17 jun. 2026.