Hussein Saber, A., zaki Naji, H. (2010). The Sphericity test for Multivariate Repeated Measurement Model has two Covariates. , 2(1), 1-19.
Abdul Hussein Saber; Huda zaki Naji. " The Sphericity test for Multivariate Repeated Measurement Model has two Covariates". , 2, 1, 2010, 1-19.
Hussein Saber, A., zaki Naji, H. (2010). ' The Sphericity test for Multivariate Repeated Measurement Model has two Covariates', , 2(1), pp. 1-19.
Hussein Saber, A., zaki Naji, H. The Sphericity test for Multivariate Repeated Measurement Model has two Covariates. , 2010; 2(1): 1-19.