Hodaifah, N., M. Masduki, and T. Sulistyangingsih. “Regional Government Cooperation in Keeping Brantas River Basin With Sumber Brantas Village Community, Bumiaji Sub-District, Batu City”. Journal of Local Government Issues, vol. 1, no. 1, Mar. 2018, pp. 44-55, doi:10.22219/logos.Vol1.No1.44-55.