Yudowati, Rinny, AND Handiatmoko, Dwi. "Pengaruh e–marketing dan e-comerce terhadap pendapatan usaha umkm di tengah pandemi covid 19 (studi kasus kecamatan duren sawit) the effect of e - marketing and e commerce on msme business revenue in the middle of the Covid-19 pandemic (case study of Duren Sawit District)" Journal of Information System, Applied, Management, Accounting and Research [Online], Volume 5 Number 4 (4 November 2021)