Sihombing, E. S. R. (2022) “Overview of the Covid-19 Pandemic on Community Income in Tomuan Village, Dolock, Simalungun Regency”, Science Midwifery, 10(2), pp. 734–738. Available at: https://midwifery.iocspublisher.org/index.php/midwifery/article/view/349 (Accessed: 23 October 2026).