Pengaruh Pemberian Edukasi Media Poster Terhadap Pengetahuan Pencegahan Penyebaran Covid-19 Siswa Di SMA Al-Hikmah . woph [Internet]. 2024 Jun. 30 [cited 2025 Aug. 18];5(3):470-9. Available from: http://103.133.36.91/index.php/woph/article/view/770