HANIF, A.; FERY, F.; RAHENI, C. The Role of Muhammadyah Volunteers in Helping Micro Businesses in Sirenja Subdistrict, Donggala Regency, Central Sulawesi Province to Stay in the Middle of the Covid-19 Pandemic Crisis. International Journal of Health, Economics, and Social Sciences (IJHESS), v. 2, n. 4, p. 248-251, 15 Oct. 2020.