Çevik, Betül Esra, and Semra Kocataş. “Hookah Smoking Profiles of University Students and Their Perceptions of Its Health Risks”. Addicta: The Turkish Journal on Addictions, vol. 7, no. 3, Sept. 2020, pp. 206-13, https://doi.org/10.5152/ADDICTA.2020.20046.