Sanggam Magda Lasmaria Siahaan, and Kamson Pasaribu. “Analysis Of Communication And Hr Implementation Of The Covid-19 Vaccination Program In The Elderly In North Musi Rawas District”. Jurnal Ilmu Pendidikan dan Sosial 2, no. 2 (July 30, 2023): 240–248. Accessed July 28, 2026. https://www.putrapublisher.org/index.php/jipsi/article/view/411.