Das, AshishDey, AlokeMidha, Chand K2012-12-102012-12-102006Statistics and Probability Letters, v.76, p.1570-1577http://hdl.handle.net/10263/5023enFunctional factorial experimentsUniversal optimalityMain effects2-factors interactionsAllocating factors of the columns of an orthogonal array when certain interactions are importantArticle