Lahdji A, Anggraheni HD, Noviasari NA, Hamdan MR. Relationship of knowledge and attitude with smoking habits at low healthy family index. Qanun Medika [Internet]. 2022 Jul. 18 [cited 2024 Dec. 23];6(2). Available from: https://journal.um-surabaya.ac.id/qanunmedika/article/view/10859