Apriliyah, W., and M. Astuti. “ The Impact of Product Quality and Brand on Purchase Decision: A Study on Elzatta Hijab Products in Sidoarjo”. Academia Open, Vol. 9, no. 1, Sept. 2023, p. 10.21070/acopen.9.2024.2730, doi:10.21070/acopen.9.2024.2730.