Purba, N., M. Mukidi, and N. Afningsih. “Building A Culture Of Shame In Malay Society Against Corruption Practices In North Sumatera”. INTERNATIONAL JOURNAL OF SOCIAL, POLICY AND LAW, vol. 1, no. 1, Dec. 2020, pp. 32-35, doi:10.8888/ijospl.v1i1.14.