H. Husnawati, R. P. Syahara, S. Sari, and P. Lestari, “The Impact of Educational Videos on the Use of Health Supplements During the Covid-19 Pandemic on the Level of Community Knowledge in Binawidya Sub-District of Pekanbaru”, JOPS, vol. 7, no. 2, pp. 66-72, Jun. 2024.