TELLİOĞLU, H., and Z. İnci KARADENİZLİ. “COMPARISON OF THE ANXIETY LEVELS IN 8-WEEK BUTTERFLY TECHNIQUE SWIMMING EDUCATION”. INTERNATIONAL JOURNAL OF SOCIAL HUMANITIES SCIENCES RESEARCH, vol. 5, no. 27, Nov. 2018, pp. 2720-9, doi:10.26450/jshsr.648.