1.
Wiliyanarti PF, Yuliyanasari N, Martati B. The Influence of Learning Video Media On Protocol Health Knowledge Covid-19 Elementary School Students. sjik [Internet]. 2021 May 2 [cited 2025 Oct. 11];10(1):269-75. Available from: https://www.sjik.org/index.php/sjik/article/view/617