Hussein, Wathiq Faraon, et al. “Students’ Knowledge Regarding Passive Smoking: A Cross-Sectional Study: Pengetahuan Mahasiswa Mengenai Perokok Pasif: Sebuah Studi Cross-Sectional”. Indonesian Journal on Health Science and Medicine, vol. 1, no. 2, Oct. 2024, p. 10.21070/ijhsm.v1i2.23, doi:10.21070/ijhsm.v1i2.23.