TY - JOUR AU - Zuhair A. Al-Hemyari TI - Some improved two-stage shrinkage testimators for the mean of normal distribution JO - Sort PY - 2009 SP - 233 EP - 248 VL - 33 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SORT_2009_2009_1_a9/ LA - en ID - SORT_2009_2009_1_a9 ER -