1.
Mutmainnah, Sadiqin A. Pengaruh Pandemi Covid-19 Terhadap Volume Penjualan PT. Surabaya Makmur Jaya Tahun 2020. EMBISS [Internet]. 2021Aug.28 [cited 2025Oct.4];1(4):334-9. Available from: https://embiss.com/index.php/embiss/article/view/43