Sajawandi, Labib, et al. “The Use of Flash Cards Media in Reducing Speech Delay Symptoms in Children (A Case Study in BA Aisyiyah Prembun, Tambak District, Banyumas Regency)”. Proceedings Series on Social Sciences & Humanities, vol. 13, Nov. 2023, pp. 38-44, doi:10.30595/pssh.v13i.880.