Marlina, Hastuti, Hayana Hayana, and Hetty Ismainar. “Program Edukasi Kesehatan; Upaya Preventif Terhadap Penularan Covid-19 Di SMA Negeri 2 Siak Hulu Provinsi Riau”. Jurnal AbdiMas Nusa Mandiri 3, no. 1 (April 5, 2021): 23–28. Accessed February 23, 2025. https://ejournal.nusamandiri.ac.id/index.php/abdimas/article/view/2038.