FATRYANA, T. . PENGUKURAN RETURN ON INVESTMENT (ROI) DALAM KAMPANYE DIGITAL MARKETING. Jurnal Review Pendidikan dan Pengajaran (JRPP), [S. l.], v. 6, n. 4, p. 1833–1837, 2023. DOI: 10.31004/jrpp.v6i4.21405. Disponível em: http://journal.universitaspahlawan.ac.id/index.php/jrpp/article/view/21405. Acesso em: 22 jul. 2024.