I. Indah Trisnawati, Halil, and H. Mohamad Ilham, “PENGARUH KUALITAS PRODUK DAN HARGA TERHADAP LOYALITAS KONSUMEN KOPI DI UD COFFEE WANGI”, jnc, vol. 1, no. 1, pp. 33–42, Sep. 2022, doi: 10.57203/javanica.v1i1.2022.33-42.