S. Patonah, S. Mulyani, and W. Septiyan Nawang Wulan, “STUDY OF THE CAUSES OF ELDERLY INVOLVEMENT IN COVID-19 VACCINE IN BANJAREJO VILLAGE, BOJONEGORO DISTRICT, BOJONEGORO REGENCY : STUDY OF THE CAUSES OF ELDERLY INVOLVEMENT IN COVID-19 VACCINE IN BANJAREJO VILLAGE, BOJONEGORO DISTRICT, BOJONEGORO REGENCY ”, JURNIKES, vol. 4, no. 2, pp. 28–36, Nov. 2025.