Simandjuntak, R., M. . Lasut, N. . Mongdong, R. . Pajow, S. Landaiyo, and R. Mesra. “Traders’ Participation in Maintaining the Cleanliness of the Tondano Traditional Market Environment Based on Presidential Decree Number 112 of 2OO7”. JURNAL PARADIGMA : Journal of Sociology Research and Education, vol. 4, no. 2, Dec. 2023, pp. 222-6, doi:10.53682/jpjsre.v4i2.8414.