Bulan, A., Pujiarti, T., Purwati, D., Rusdin, R., Wahyuni, N., Baharudin, B., … dos Reis , A. J. (2026). Institutionalizing Eco-ELT in an Indonesian Boarding School: A Qualitative Case Study. JOLLT Journal of Languages and Language Teaching, 14(4), 1468–1478. https://doi.org/10.33394/jollt.v14i4.18927