Firdaus, Riza. “Relationship of Age, Gender and Anemia Status With Cognitive Function in the Elderly”. Faletehan Health Journal 7, no. 1 (March 31, 2020): 12–17. Accessed May 16, 2026. https://www.journal.lppm-stikesfa.ac.id/index.php/FHJ/article/view/97.