Chia, N.K.H. et al. 2011. A Comparative Study on the Correlations between (i) Mathematics Quotient (MQ) and Nonverbal Intelligence Quotient (NVIQ) & (ii) Mathematics Quotient (MQ) and Draw-a-Person Intelligence Quotient (dIQ) in Primary 3 Children with Selective Mutism. Journal of the American Academy of Special Education Professionals. 6, 3 (Oct. 2011), 52–79. DOI:https://doi.org/10.64546/jaasep.153.