DIGVIJAY SINGH, ARTI CHANDANI, ANKITA BHATIA. An Empirical Study of Extended Marketing Mix for PPE Manufacturing Companies. International Journal of Modern Agriculture, [S. l.], v. 9, n. 3, p. 1773 - 1786, 2020. Disponível em: http://www.modern-journals.com/index.php/ijma/article/view/358. Acesso em: 26 apr. 2024.