Implementation of the No Smoking Area Policy in Four Secondary Schools in Surakarta. Healthy Tadulako Journal (Jurnal Kesehatan Tadulako), [S. l.], v. 12, n. 4, p. 620–628, 2026. DOI: 10.22487/q2c2r645. Disponível em: https://jurnal.fk.untad.ac.id/index.php/htj/article/view/2205. Acesso em: 16 oct. 2026.