Walida, J. and Choiriyah, I.U. 2022. Innovation System in the Sidoarjo People’s Service System (SIPRAJA) in Sidoarjo Regency. Indonesian Journal of Cultural and Community Development. 12, (Jun. 2022), 10.21070/ijccd2022791. DOI:https://doi.org/10.21070/ijccd.v12i0.791.