000 00714nam a22001337a 4500
040 _cRUA
082 _aAGR CHH 2016 B617 Or.1
100 _aCHHORN PISEY,ឈន ពីសី
245 _aeffect of conservation agriculture cropping systems on soil organic matter and soil fertility;ឥទ្ធិពលការអនុវត្តកសិកម្មអភិរក្សក្នុងប្រពន្ធ័ដាំដុះដំណាំលើសារធាតុសរីាង្គនិងជីជាតិដី
260 _aphnom penh
_bRUA
_c2016
300 _aix;46p;
_bill;
_c29cm;
856 _uhttps://drive.google.com/file/d/1pEdGYnIrPWu6PKYU6Upi2bHHxquA00qR/view?usp=sharing
942 _cAGR
999 _c17570
_d17570