VARGHESE ABRAHAM & JERIN JOSEPH. AN EMPIRICAL STUDY ON DIRECT MARKETING AS THE MOST EFFECTIVE FORM OF MARKETING IN THE DIGITALIZED MARKETING ENVIRONMENT. International Journal of Research Science and Management, [S. l.], v. 6, n. 1, p. 18–24, 2019. Disponível em: http://ijrsm.com/index.php/journal-ijrsm/article/view/180. Acesso em: 23 feb. 2025.