000 00288nam a22001217a 4500
040 _cSK
082 _a604
100 _aយន់ ហាក់
245 _aTechnical Drawing; គំនូរបច្ចេកទេស
260 _aRUA
_bយន់
_c2008
300 _a40p.
942 _cKB
999 _c10106
_d10106