Sukmiwati, M., Leksono, T. and Fionasari, D. 2025. Implementation of CPPB-IRT in Fish Smoking Groups Using Liquid Smoke in Langgam Village, Pelalawan, Riau. Engagement: Jurnal Pengabdian Kepada Masyarakat. 9, 1 (May 2025), 216 -227. DOI:https://doi.org/10.29062/engagement.v9i1.1995.