SEDDIKI , N.; SAHED, F. Level of Phonological and Functional Performance of Oral Language Among Educable Mentally Retarded Children- Field Study at the Psycho- Pedagogical Centre for Mentally Disabled Children No. 01 - Martyr Al-Muqran Ali in the Province of M’sila. Al-jamie.psy.edu 2026, 11, 636-663.