Browsing by Author "Abeyratne, PGV"
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Review on National Geodetic Control Network - Sri Lankan Datum 1999 (SLD_99)
Manuranga, KP; Abeyratne, PGV; Wickramathilake, NV (2020-10)Any country in the world has its own geodetic coordinate system and it is very useful in all types of surveying activities. Accuracy of the geodetic control network is very important in every aspect. In Sri Lanka (Early ...