أرسل هذا في رسالة قصيرة: Species diversity of benthic diatoms and its relation to environmental variables in Ton Ngachang Waterfall, Songkhla province

  _____      ___      _____     ______   _____    
 /  ___||   / _ \\   / ____||  /_   _// |  __ \\  
| // __    / //\ \\ / //---`'   -| ||-  | |  \ || 
| \\_\ || |  ___  ||\ \\___     _| ||_  | |__/ || 
 \____//  |_||  |_|| \_____||  /_____// |_____//  
  `---`   `-`   `-`   `----`   `-----`   -----`