Sukmiwati, Mery, Tjipto Leksono, and Dwi Fionasari. “Implementation of CPPB-IRT in Fish Smoking Groups Using Liquid Smoke in Langgam Village, Pelalawan, Riau”. Engagement: Jurnal Pengabdian Kepada Masyarakat 9, no. 1 (May 10, 2025): 216 -227. Accessed November 17, 2025. http://engagement.fkdp.or.id/index.php/engagement/article/view/1995.