“Application of Health Belief Model on Factors Affecting Participation in the National Health Insurance Scheme among Informal Sector Workers in Kudus, Central Java”, J Health Policy Manage, vol. 5, no. 1, pp. 61–73, Feb. 2020, Accessed: Dec. 24, 2025. [Online]. Available: https://thejhpm.com/index.php/thejhpm/article/view/150