“Servqual Gap and Comparative Analysis of Service Quality Perception: Determination Framework and Critical Factors for Submission of Service Quality in the Public Health Center (Puskesmas) in Sukawati District, Gianyar Region, Bali - Indonesia”, Int J Cont Res Rev, vol. 9, no. 11, pp. 21127–21137, Nov. 2018, doi: 10.15520/ijcrr.v9i11.621.