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“Promosi Kesehatan Tentang Upaya Pencegahan dan Vaksinasi COVID-19 di Puskesmas Siak Hulu I Kabupaten Kampar Tahun 2021: Health Promotion Regarding COVID-19 Prevention and Vaccination Efforts at the Siak Hulu I Public Health Center, Kampar Regency in 2021”, JPKK, vol. 2, no. 1, pp. 74–80, May 2022, doi: 10.25311/jpkk.Vol2.Iss1.1228.