Abdurrachim, Rijanti, et al. “RETRACTION : The Role of Diet Compliance, Vitamin C Intake, Physical Activity and Nutrition Education on Blood Sugar Levels of Diabetes Mellitus Patients Type 2 During the Covid-19 Pandemic”. Jurnal Gizi Dan Dietetik Indonesia (Indonesian Journal of Nutrition and Dietetics), vol. 14, no. 1, Jan. 2026, pp. 29-37, doi:10.21927/ijnd.2026.14(1).29-37.