Ispen Safrel
- (2018): Accuracy Comparison between GPS Real Time Kinematic (RTK) Method and Total Station to Determine The Coordinate of An Area. In: Jurnal Teknik Sipil dan Perencanaan, v. 20, n. 2 (November 2018).
- (2018): High Accuracy Geodetic Control Point Measurement Using GPS Geodetic With Static Methods. In: Jurnal Teknik Sipil dan Perencanaan, v. 20, n. 2 (November 2018).
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