Gusti Deasy W.A, et al. “Clinical and Pathological Characteristics of High Grade Colorectal Adenocarcinoma at Hasanuddin University Hospital, Indonesia, 2015-2020”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 60, no. 4, Oct. 2021, pp. 27-33, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/13381.