Maharani, Santika, AND 		Alam, Iskandar.
" Pengaruh Kualitas Produk dan Pelayanan Terhadap LoyalitasPelanggan 20 Kopi Di Masa Pandemi Covid-19" <em>Journal of Information System, Applied, Management, Accounting and Research</em> [Online], Volume 6 Number 4 (1 November 2022)