Education on The Application of The 3J Diet to Increase Knowledge of Diabetes Mellitus Patients in The Community of Bandar Kupa, Percut Sei Tuan District, Deli Serdang District. JPK [Internet]. 2023 Dec. 31 [cited 2026 Jan. 9];3(2):128-33. Available from: https://ejournal.medistra.ac.id/index.php/JPK/article/view/1998