Fitriani, Fitriani, Teungku Nih Farisni, Yarmaliza Yarmaliza, Fitrah Reynaldi, and Zakiyuddin Zakiyuddin. “The Relationship Between Health Belief Model on Covid-19 Preventive Behavior in The Elderly”. International Journal of Social Science, Education, Communication and Economics 1, no. 3 (July 31, 2022): 319–326. Accessed March 10, 2026. https://sinomicsjournal.com/index.php/sj/article/view/31.