On comparing the prediction variances of some central composite designs in spherical regions: a review

• University of Nigeria (NG)

as printed: CHIGBU, POLYCARP E.; Department Of Statistics-University Of Nigeria, Nsukka

• University of Nigeria (NG)

as printed: UKAEGBU, EUGENE C.; Department Of Statistics-University Of Nigeria, Nsukka

• University of Nigeria (NG)

as printed: NWANYA, JULIUS C.; Department Of Statistics-University Of Nigeria, Nsukka