SULVA, N. . The Right Way To Use Promotional Funds To Increase Sales. PERSPEKTIF: Sudut Pandang Lintas Pengetahuan, [S. l.], v. 1, n. 1, p. 776–780, 2022. Disponível em: https://www.ojs.pseb.or.id/index.php/rd/article/view/405. Acesso em: 7 oct. 2026.