?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Dang%2C+Thi+Huong+Giang&rft.aulast=Dang&rft.aufirst=Thi+Huong+Giang&rft.date=December+2019&rft.issn=2588-1086&rft.atitle=Improved+Particle+Swarm+Optimization+of+Three-Dimensional+Path+Planning+for+Fixed+Wing+Unmanned+Aerial+Vehicle&rft.title=VNU+Journal+of+Science%3A+Computer+Science+and+Communication+Engineering&rft.genre=article