Muhammad Antok Rismanto, Sri Hartini Jatmikowati and Catur Wahyudi (2022) “Study of Integrated Referral Service System : Study Implementation of Malang Mayor Regulation for Handling the Social weaker sections, in Indonesia”, International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, 8(2), pp. 53–59. doi: 10.31695/IJASRE.2022.8.2.8.