A. Tri Cahyo Purnomo, S. Puspitaria Gulo, N. Permatasari, and I. Irman, “Application Of Preventive In Action Principles In Dealing With Waste In The Cooperative Market Area : Penerapan Prinsip Preventive In Action Dalam Menanggulangi Sampah di Kawasan Pasar ”, MJA, vol. 4, no. 3, pp. 214-229, Oct. 2023.