L. P. Sirait, S. Yacob, and A. Solikhin, “THE IMPORTANCE OF CUSTOMER RELATIONSHIP MARKETING TO PARTICIPANT LOYALTY THROUGH PARTICIPANT SATISFACTION IN BUSINESS ENTITIES: AN EMPERICAL STUDY IN HEALTH PROVIDER BPJS JAMBI CITY”, JBSMR, vol. 5, no. 2, pp. 275-280, Jul. 2022.