et. al., F. R. , . “Application Of Certainty Factor Methods To Diagnose Gastrointestinal Worm Infections In Sumatran Tigers”. Turkish Journal of Computer and Mathematics Education (TURCOMAT), vol. 12, no. 2, Apr. 2021, pp. 3102-9, https://turcomat.org/index.php/turkbilmat/article/view/2354.