Suhendri Atmoko (2024) “Optimization And Existence Of The Role Of National Police Investigators In The Investigation And Investigation Of Corruption In Local Government Grant Spending : Research Study At The Riau Islands Police Directorate”, LITERACY : International Scientific Journals of Social, Education, Humanities, 3(2), pp. 138–151. doi: 10.56910/literacy.v3i2.1681.