SINGH, M.; SINGH, H. Review of Various SEO Techniques for Websites. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY, [S. l.], v. 3, n. 1, p. 170–172, 2012. DOI: 10.24297/ijct.v3i1c.6777. Disponível em: https://rajpub.com/index.php/ijct/article/view/6777. Acesso em: 4 may. 2024.