Tjandra, Suhatati, Andri Suhartono, Kelvin, and Sharon. “Analysis of Service Quality at Beauty Salon in Surabaya Using the ServQual Method”. International Journal of Science, Technology & Management 4, no. 1 (January 10, 2023): 245-253. Accessed April 13, 2024. https://ijstm.inarah.co.id/index.php/ijstm/article/view/702.