Khalifa, M. (1999). The Impact of Implementing some Play Interventions on the Perception of Mildly Mentally Retarded Children. test, 29(3), 609-618. doi: 10.21608/jhiph.1999.416377
Maha I. Khalifa. "The Impact of Implementing some Play Interventions on the Perception of Mildly Mentally Retarded Children". test, 29, 3, 1999, 609-618. doi: 10.21608/jhiph.1999.416377
Khalifa, M. (1999). 'The Impact of Implementing some Play Interventions on the Perception of Mildly Mentally Retarded Children', test, 29(3), pp. 609-618. doi: 10.21608/jhiph.1999.416377
Khalifa, M. The Impact of Implementing some Play Interventions on the Perception of Mildly Mentally Retarded Children. test, 1999; 29(3): 609-618. doi: 10.21608/jhiph.1999.416377