000 00282nam a22001097a 4500
040 _cHS
082 _a540
100 _aTHO KIMEANG
245 _aThe science and practice of crop production
260 _aUniversity of the philippines los banos (UPLB)
_bTHO KIMEANG
_c2001
942 _cEK
999 _c8568
_d8568