Zumrotun Nafiah, and Yovita Mumpuni Hartarini. “EFEKTIVITAS APLIKASI TUMBASIN.ID PADA MASA PANDEMI COVID-19 DI KOTA SEMARANG”. EKOMA : Jurnal Ekonomi, Manajemen, Akuntansi 2, no. 1 (December 12, 2022): 32–45. Accessed October 21, 2025. https://ulilalbabinstitute.id/index.php/EKOMA/article/view/878.