RAHMANAH, F. .; KASIYATI, K. Effectiveness of the Cheerful Phonics Method to Improve the Ability to Recognize the Sounds of Bilabial Consonant Letter Symbols for Mild Mentally Impaired Children. Jurnal Pendidikan Kebutuhan Khusus, [S. l.], v. 7, n. 2, p. 92–96, 2023. DOI: 10.24036/jpkk.v7i2.666. Disponível em: https://jpkk.ppj.unp.ac.id/index.php/jpkk/article/view/666. Acesso em: 17 may. 2024.