Kondo Pare, Jeremy Rumbaya, et al. “EFFORTS TO PRESERVE THE INDONESIAN LANGUAGE IN THE ENVIRONMENT OF UPN ‘VETERAN’ JAWA TIMUR”. Jurnal Pengabdian Kepada Masyarakat, vol. 2, no. 1, Apr. 2025, pp. Hal 404-409, doi:10.3342/jkepmas.v2i1.209.