HIGHTOWER, Christy; CALDWELL, Christy. Shifting Sands: Science Researchers on Google Scholar, Web of Science, and PubMed, with Implications for Library Collections Budgets. Issues in Science and Technology Librarianship, [S. l.], n. 63, 2010. DOI: 10.29173/istl2545. Disponível em: https://journals.library.ualberta.ca/istl/index.php/istl/article/view/2545. Acesso em: 3 apr. 2026.