Nurharyani, Octaria, 		Anggoro Prasetyo, Bivit, 		Marahayu, Nila Mega, 		Utami, Shofi, AND 		Ryolita, Widya.
" Acquisition of Phonological Competence in Five-Year-Old Mentally Disabled Children" <em>Jurnal Lingua Idea</em> [Online], Volume 13 Number 2 (31 December 2022)