Purba, B., A. H. Harahap, G. A. Pohan, and S. N. Izza. “Analysis of the Effectiveness of Merchant Retribution at the Nawacita Sampali Market”. Indonesian Journal of Advanced Research, vol. 2, no. 7, July 2023, pp. 869-78, doi:10.55927/ijar.v2i7.4598.