De Silva, D.B.U.S.Sooriyarachchi, M.R.2013-09-252013-09-252012-06Journal of the National Science Foundation of Sri Lanka, 40(2):p.137-148https://dl.nsf.gov.lk/handle/1/9911enGeneralized Cochran Mantel Haenszel test for multilevel correlated categorical data: an algorithm and R functionArticle