PURBA, R. H. S.; SIMAMORA, J. . The responsibility of electronic cigarette (e-cigarette) business operators who do not include information labels and warnings according to Law Firm Tomi Sihotang & Partners. TOFEDU: The Future of Education Journal, [S. l.], v. 4, n. 2, p. 631–640, 2025. DOI: 10.61445/tofedu.v4i2.476. Disponível em: https://journal.tofedu.or.id/index.php/journal/article/view/476. Acesso em: 12 jul. 2025.