Suryanti, Jefriyanto Saud, Azhariah Rachman, Muta’allim, and Amiruddin. “Semantic Language Skills in 2-Year-Old Children: A Case Study of Universal Substantive Acquisition at Kampung Baru”. RETORIKA: Jurnal Ilmu Bahasa, Vol. 9, no. 2, Sept. 2023, pp. 203-10, doi:10.55637/jr.9.2.7723.203-210.