Wu, J.2019-10-072019-10-072019-09Journal of the National Science Foundation of Sri Lanka,47(3):p.363-368https://dl.nsf.gov.lk/handle/1/24635enBest linear unbiased estimatorCommon parametersMean squared errorPitman's closeness criterionTwo normal linear modelsEstimation of the parameters in two linear models with some of the identical parameter vectors under the Pitman's closeness criterionArticle