00250nam a22000857a 4500040000700000082000800007100003700015245009300052260001900145  cSY  a333  aKHOV KOUING; ខូវ គួង  aBiological of coastal zone, ជីវសាស្រ្តតំបន់ឆ្នេរ  aRUAbKHOc2010