BALTIŅŠ, Viesturs; ZAREMBO, Imants. SEO AND SEM BENEFITS IN DIGITAL MARKETING. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, Rezekne, Latvia, n. 25, p. 27–31, 2021. DOI: 10.17770/het2021.25.6775. Disponível em: https://journals.rta.lv/index.php/HET/article/view/6775.. Acesso em: 2 may. 2024.