ÖZDEMİR, O. (2020) “Preparetion of database in SPSS and Microstat”, Turkish Journal of Gastroenterology, 6(4), pp. 401–410. Available at: https://turkjgastroenterol.avesjournals.com/index.php/tjg/article/view/526 (Accessed: 25 July 2025).