Hamzah, Ristiawaty D., et al. “Improving Writing Skills through ‘Wayang Unggul’ Cards for First-Grade Students at SDN 3 Tabongo, Gorontalo Regency”. Jurnal Bahasa Indonesia Prima (BIP), vol. 8, no. 2, Sept. 2026, pp. 177-86, doi:10.34012/bip.v8i2.8551.