Jayathissa, W.D.D.H.Wijesekera, N.T.S.Bandara, K.M.P.S.2019-10-012019-10-012008Engineer, 41(5):p.141-148https://dl-iesl.nsf.gov.lk/handle/1/1730Identification of feature details in land extents using handheld GPSArticle