000 00652nam a22001217a 4500
040 _cRUA
100 _aYANG VIRAK,យ៉ាង វិរៈ
245 _aEFFECT OF PUMICE POWDER RATES IN SA WDUST SUBSTRATE TO THE GROWTH OF GREY OYSTER MUSHROOM,ឥទ្ធិពលនៃការបន្ថែមម្សៅ PUMICE ក្នុងល្បាយអាចម៍រណាទៅលើការលូតលាស់របស់ផ្សិតអំបោះខ្មៅ
260 _aphnom penh
_brua
_c2019
300 _ax.34p.
_bill.
_c29cm.
856 _uhttps://drive.google.com/file/d/1fEMVNj9VzKRhAVXMmNvCnHINnWHd9JTy/view?usp=sharing
942 _cAGR
999 _c20557
_d20557