Warni, W. et al. 2023. The Stages and Development of First Language Acquisition on Children 1,6 Years Old. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini. 7, 2 (Apr. 2023), 2080–2093. DOI:https://doi.org/10.31004/obsesi.v7i2.3310.