000 00314nam a22001217a 4500
040 _cRUA
082 _a104 ធន​ 2025 A126 Or.1
100 _aធន ឆាយពិសិដ្ឋ;
245 _aThinking, ការគិត
260 _aphnom penh
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_c2025
300 _a280p.
_bill.
_c29cm.
942 _cKB
999 _c24363
_d24363