Kamaluddin, Ridlwan, and Eva Rahayu. “Elderly Perceptions about Covid-19 Vaccination”. Journal of Bionursing 5, no. 1 (January 31, 2023): 53-59. Accessed May 17, 2024. http://bionursing.fikes.unsoed.ac.id/bion/index.php/bionursing/article/view/1.bion.2023.5.1.171.