The Influence Of Bookzi Media And Lecture Method On Knowledge And Attitude Towards Balanced Nutrition: A Study On Fifth Grade Students Of Sdn 01 Mangga Dua Selatan Jakarta. Jurnal Manajemen Bisnis, [S. l.], v. 13, n. 1, p. 613–629, 2026. DOI: 10.33096/jmb.v13i1.1592. Disponível em: http://jurnal.fe.umi.ac.id/index.php/JMB/article/view/1592. Acesso em: 2 apr. 2026.