Material Selection for Unmanned Aerial Vehicles (UAVs) Wings Using Ashby Indices Integrated with Grey Relation Analysis Approach Based on Weighted Entropy for Ranking. jcoeng [Internet]. 2023 Jul. 1 [cited 2024 Nov. 21];29(07):189-200. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/1855