ŠIMKEVIČIUS, Julius. Some Results of an Investigation of the Efectiveness of Scientific Information in the Field of Agriculture. Knygotyra, [S. l.], v. 11, n. 4, p. 23–26, 1974. Disponível em: https://www.journals.vu.lt/knygotyra/article/view/26933.. Acesso em: 1 may. 2024.