Dictionary of mathematics  -- Berkshire, U. K :  Helicon Pub.  c1994.  <br/>158 p. :  ill. ;  15 cm.  <br/><br/><label>ISBN: </label>81-85288-39-9  <br/><br/><label>Subjects--Topical Terms: </label><br/>Nursing- Research. <br/>Research design