Pranata, Fanny Cosla, Sri Winarni, and Zainol Rachman. “The Effect of Jingle Health Promotion Media on the Knowledge of Covid 19 Prevention in the GRJB Group”. Jurnal Pendidikan Kesehatan (e-Journal) 11, no. 1 (April 28, 2022): 91–95. Accessed November 2, 2025. https://ojs.poltekkes-malang.ac.id/jpk/article/view/2543.