A. R. . Zamnur and S. Harjatno, “Effect of Service Quality, Price, and Location on Customer Loyalty: A Pandemic-Era Barbershop Study: Pengaruh Kualitas Pelayanan, Harga, dan Lokasi terhadap Loyalitas Pelanggan: Studi Barbershop Era Pandemi”, acopen, vol. 9, no. 2, p. 10.21070/acopen.9.2024.5724, Sep. 2023.