000 00261nam a22001097a 4500
040 _cSK
082 _a574
100 _aបឿយ ផល
245 _aForest ecology; អេកូឡូស៊ីព្រៃឈើ
260 _aRUA
_bបឿយ
_c2008
942 _cKB
999 _c10173
_d10173