IMAHASHI , H. .; UENISHI , K. .; GEMBA, K. . Verification of the smile curve of food industry in Japan – a consideration using the B to B rate and operating income margin. Forum Scientiae Oeconomia, [S. l.], v. 6, n. 4, p. 65–79, 2018. DOI: 10.23762/FSO_VOL6_NO4_5. Disponível em: https://ojs.wsb.edu.pl/index.php/fso/article/view/65. Acesso em: 21 may. 2024.