Celik, H.Coskun, Omer Satici, and M.Yusuf Celik. “The Hierarchical Cluster Analysis of Variables About Attitudes of Chronic Smokers Among University Students”. Annals of Medical Research 11, no. 4 (May 25, 2021): 0217–0222. Accessed July 22, 2024. http://annalsmedres.org/index.php/aomr/article/view/3075.