Br Sembiring FEDR, Rusdi Noor Rosa, Br. Perangin-Angin A. Exploring Izzi’s First Language Acquisition: A Case Study of a Five-Year-Old Child. JADEs [Internet]. 2025Jan.18 [cited 2026Jan.18];5(2):317-29. Available from: http://journal.iainlangsa.ac.id/index.php/jades/article/view/8775