U., D. B. Strategi Komunikasi Menjual Telepon Selular. Journal The Winners, [S. l.], v. 6, n. 1, p. 51-58, 2005. DOI: 10.21512/tw.v6i1.525. Disponível em: https://journal.binus.ac.id/index.php/winners/article/view/525. Acesso em: 22 jul. 2024.