Ziggah, Y. Y., Youjian, H., Odutola, C. A., & Nguyen, T. T. (2013). ACCURACY ASSESSMENT OF CENTROID COMPUTATION METHODS IN PRECISE GPS COORDINATES TRANSFORMATION PARAMETERS DETERMINATION - A CASE STUDY, GHANA. European Scientific Journal, ESJ, 9(15). https://doi.org/10.19044/esj.2013.v9n15p%p