000 nam a22 7a 4500
999 _c18840
_d18840
040 _cTLL
041 _hKhmer
082 _a332.1 2017
100 _aN/A
245 _aទីផ្សារ
260 _aPP
_bPP
_c2017
300 _a15 p.
942 _cKB