DATUS SALAMIA, I.; LAKSMI RITHMAYA, C. . Business Communication Strategy of PT Telekomunikasi Selular Surabaya Branch in Sponshorship Negotiation Process . International Journal of Science and Environment (IJSE), [S. l.], v. 5, n. 3, p. 420–423, 2025. DOI: 10.51601/ijse.v5i3.199. Disponível em: https://ijsenet.com/index.php/IJSE/article/view/199. Acesso em: 19 aug. 2025.