CAN EFECAN AKHAN, et al. “A RESEARCH ON THE EXAMINATION OF SERVICE QUALITY AND SERVQUAL SCALE LITERATURE WITH BIBLIOMETRIC ANALYSIS METHOD”. Third Sector Social Economic Review, vol. 56, no. 1, Mar. 2021, pp. 329-52, https://doi.org/10.15659/3.sektor-sosyal-ekonomi.21.02.1499.