Solechan, K. C. S. . Wibawa, and A. . Sujoko. “The Concept of Private-Administration Contracts in Settling Problems in Government Goods/Services Procurement Contracts”. International Journal of Criminology and Sociology, vol. 10, Mar. 2021, pp. 662-7, doi:10.6000/1929-4409.2021.10.77.