D. Siregar, M. Pakpahan, P. S. Tahulending, E. I. Manurung, Y. F. Sitanggang, and M. J. Manik, “Waspadai dan Cegah Pneumonia dan Diare di Masa Pandemi Covid-19: Awareness and Prevention Pneumonia and Diarrhea in Pandemic Covid-19”, Pengabdianmu J Ilmiah Pengabdian Masyarakat, vol. 7, no. 3, pp. 393–400, May 2022.