PHAM , Cong Khai, Gia Trong NGUYEN, Van Hai NGUYEN, i Trong Xuan TRAN. 2021. „Research and Development of Real-Time High-Precision GNSS Receivers: A Feasible Application for Surveying and Mapping in Vietnam”. Inżynieria Mineralna 1 (2). https://doi.org/10.29227/IM-2021-02-36.