Sylvia, Sylvia, et al. “The Influence of Location, Services and Community Culture on Patient Loyalty With Satisfaction As Intervening Variables in Spirit Dental Clinic Lubuk Pakam – Deli Serdang”. Technium Sustainability, vol. 2, no. 2, June 2022, pp. 74-84, doi:10.47577/sustainability.v2i2.6707.