Seongchan Kang and  Hongsik Yun and  Hyukgil Kim and  Minwoo Park,  Study of Single Network Adjustment Using QOCA Software in Korea.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2013, vol. 74(2). 161 - 163
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/303.