أرسل هذا في رسالة قصيرة: Nutrient removal in tropical subsurface flow constructed wetlands under batch and continuous flow conditions

            ______             _    _    _    _   
    ___    /_   _//     ___   | || | || | |  | || 
   /   ||   -| ||-     /   || | || | || | |/\| || 
  | [] ||   _| ||_    | [] || | \\_/ || |  /\  || 
   \__ ||  /_____//    \__ ||  \____//  |_// \_|| 
    -|_||  `-----`      -|_||   `---`   `-`   `-` 
     `-`                 `-`