REINATI, Stefanus; SELAN, David R.E. The impact of promotional costs on the sales unit of honda beat motorcycles: Case in kupang- indonesia. The International Journal of Social Sciences World (TIJOSSW), [S. l.], v. 4, n. 1, p. 46–52, 2022. Disponível em: https://www.growingscholar.org/journal/index.php/TIJOSSW/article/view/181. Acesso em: 3 nov. 2026.