Byron, M. J., Suhadi, D. R., Hepp, L. M., Avila-Tang, E., Yang, J., Asiani, G., Rubaeah, R., Tamplin, S. A., Bam, T. S., & Cohen, J. E. (2013). Secondhand tobacco smoke in public venues in three Indonesian cities. Medical Journal of Indonesia, 22(4), 232–7. https://doi.org/10.13181/mji.v22i4.606