TY - JOUR AU - Saralees Nadarajah TI - On the use of difference of two proportions JO - Applicationes Mathematicae PY - 2009 SP - 441 EP - 452 VL - 36 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/am36-4-4/ DO - 10.4064/am36-4-4 LA - en ID - 10_4064_am36_4_4 ER -