Imaduddin, M. H., Febriyana, N., Setiawati, Y. and Irwanto, I. (2020) “Risk Factor Mild Mental Retardation in Extraordinary School at Surabaya”, Jurnal Psikiatri Surabaya, 9(2), pp. 34–45. doi: 10.20473/jps.v9i2.20039.