Madduma Bandara, C.M.2010-07-062010-07-061979Sri Lanka Journal of Social Science, 2(2):p.65-88https://dl.nsf.gov.lk/handle/1/5081Environmental SettingWater PumpsWater Lifting MechanismsAgricultureA study of the practice of well irrigation in the country around Vavuniya in Northern Sri LankaArticle