ESPÍRITO SANTO, Alexandre; WALKER, Richard D. Measurement of scientific literature: a review of methods. Semina: Ciências Agrárias, [S. l.], v. 2, n. 7, p. 149–152, 1981. DOI: 10.5433/1679-0359.1981v2n7p149. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/5743. Acesso em: 25 jun. 2024.