Abbas, S.Hameed, M.Cakmakyapan, S.Malik, S.N.2020-01-282020-01-282019-12Journal of the National Science Foundation of Sri Lanka,47(4):p.445-453https://dl.nsf.gov.lk/handle/1/25014Gamma family of distributionGeneral coefficientInverse Weibull distributionMaximum likelihoodArticle