Dian Heriani, Evi Agustina Sari and Hidayati, T. (2026) “Integrating Eco-ELT in ESP to Foster Green Communication Competence: Evidence from Indonesian Polytechnic ”, Pengertian: Jurnal Pendidikan Indonesia (PJPI), 4(2), pp. 769–786. doi: 10.61930/pjpi.v4i2.1852.