Gustina, Eva Nurtyapul Sri, and Anni Holila Pulungan. “THE ACQUISITION OF FREE MORPHEME BY A TWO-YEAR OLD INDONESIAN CHILD”. LINGUISTICA 3, no. 2 (April 1, 2014). Accessed June 9, 2025. https://jurnal.unimed.ac.id/2012/index.php/jalu/article/view/1231.