Abeygunawardena, H.A.Rathnayaka, D.Jayathilaka, W.M.A.P.2010-07-062010-07-061997Journal of the National Science Council of Sri Lanka, 25(1):p.25-38https://dl.nsf.gov.lk/handle/1/6653MilkLivestockAgricultureCharacteristics of cattle farming systems in Sri LankaArticle