Tabachnick, Barbara G.Fidell, Linda S.2018-12-052024-06-292018-12-052024-06-292013978-0-205-89081-1https://drs.ess.gov.et/handle/123456789/27657enMultivariate StatisticsStatistical TechniquesBivariate StatisticsUsing Multivariate StatisticsBook