000 00293nam a22001217a 4500
040 _cSK
082 _a330
100 _aអ៊ុន ប៊ុនលាង
245 _aMathematical analysis for economics and agriculture
260 _aRUA
_bអ៊ុន
_c2001
300 _a587p.
942 _cKB
999 _c9119
_d9119