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| || | || | || | || |  __ \\   \ \\/ //  | |/ // 
| '--' || | || | || | |  \ ||   \ ` //   | ' //  
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`-`  `-`    `---`    -----`      `-`'    `-` --`

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Text this: Diversity of benthic diatoms and water quality of the Ping river, Northern Thailand