Sengupta, AshisUgwuowo, Fidelis I2012-12-102012-12-102006Journal of Applied Statistics,v. 33,no. 2,p.175-188http://hdl.handle.net/10263/5035enBivariate exponentialMulti-stage processesSemi-MarkovSemi-parametricHuman resource planningModelling multi-stage processes through multivariate distributionsArticle