Sofiana, M., J. Seiver Langelo, E. Supriyadi, A. Maulina, and R. Wahyuni. “Case Study of Digital-Based Service Innovation for Old Age Insurance (JHT) Claims by BPJS Employment (BPJAMSOSTEK) Pekalongan Branch Office Central Java”. Ilomata International Journal of Management, Vol. 3, no. 1, Jan. 2022, pp. 1-16, doi:10.52728/ijjm.v3i1.302.