Maimun, N., and R. Rifqi. “Factors Delayed of Insurance Claim Service Process (BPJS) at Annisa Pekanbaru Maternity Hospital”. Jurnal Kesehatan Komunitas, vol. 6, no. 2, Oct. 2020, pp. 188-93, doi:10.25311/keskom.Vol6.Iss2.548.