%0 Journal Article %T Gas concentration mapping and source localization for environmental monitoring through unmanned aerial systems using model-free reinforcement learning agents %A Husnain, Anees ul %A Mokhtar, Norrima %A Shah, Noraisyah Binti Mohamed %A Dahari, Mahidzal Bin %A Azmi, Amirul Asyhraff %A Iwahashi, Masahiro %J PLoS ONE %V 19 %N 2 %D 2024-02-23 %I Public Library of Science %~ DeepDyve