Saka, G., M. A. Şen, and E. Yakıt. “Cigaratte Use Frequency of Healthcare Services Vocational School of Higher Education students<p≫Sağlık Hizmetleri Meslek Yüksekokulu öğrencilerinde Sigara kullanım sıklığı”. Journal of Human Sciences, vol. 13, no. 3, Dec. 2016, pp. 5423-3, https://www.j-humansciences.com/ojs/index.php/IJHS/article/view/4229.