M Bambang Purwanto et al. 2026. A Co-Pilot as Artificial Intelligence and Local Culture Integration in Writing Instruction: A Model to Improve Students’ Engagement in Polytechnic. INTERACTION: Jurnal Pendidikan Bahasa. 13, 2 (Jun. 2026), 802–816. DOI:https://doi.org/10.36232/interactionjournal.v13i2.5590.