JANUŠKEVIČIUS, Zigmas; VAITKEVIČIUS, Kostas. Theory of Science, Information Science and Some Questions of the Health Service. Knygotyra, [S. l.], v. 11, n. 4, p. 13–21, 1974. Disponível em: https://www.journals.vu.lt/knygotyra/article/view/26932.. Acesso em: 2 may. 2024.