SARDJONO, W.; NURIANA, W. D. Business Opportunities in Industrial Revolution 4.0 through 9 (nine) E-commerce Marketing Strategies. Social Economics and Ecology International Journal (SEEIJ), [S. l.], v. 4, n. 2, p. 53-60, 2021. DOI: 10.21512/seeij.v4i2.7357. Disponível em: https://journal.binus.ac.id/index.php/SEEIJ/article/view/7357. Acesso em: 9 may. 2024.