KURNIADI, I.; ALIF, M. G. ANALYSIS OF SEARCH ENGINE MARKETING EFFECTIVENESS FOR CUSTOMER PERCEPTION AND CUSTOMER LOYALTY AT PHITAGORAS TRAINING AND CONSULTING. Journal of Business Strategy and Execution, [S. l.], v. 6, n. 2, p. 128- 152, 2014. Disponível em: https://journal.binus.ac.id/index.php/JBSE/article/view/799. Acesso em: 11 may. 2024.