Nathansohn BM, Freire IM. On line user study. RDBCI: Rev. Digit. Bibliotecon. Cienc. Inf. [Internet]. 2005 Sep. 30 [cited 2024 Jul. 17];3(2):39-5. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/rdbci/article/view/2053