NOEL KOK HWEE CHIA, Esther Yap & Angie Gek Tee Ng. An Analysis of Verb Pattern Errors in Active-Passive/Passive-Active Sentence Transformation in English made by Upper Primary Singaporean & Malaysian Chinese Children with Specific Language Impairment. Journal of the American Academy of Special Education Professionals, [S. l.], v. 5, n. 2, p. 96–141, 2010. DOI: 10.64546/jaasep.108. Disponível em: https://www.aasep.org/article/view/108. Acesso em: 23 sep. 2025.