000 00587nam a22001217a 4500
040 _cRUA
100 _aCHOY THENG,ចយ​ ថេង
245 _aEFFICENCY OF SOLAR PUMP ON SMALL SCALE LARGE-PETION MUSTARD FARMING,ប្រសិទ្ធភាពស្នប់បូម SOLAR PUMP ក្នុងផលិតកម្មដំណាំស្ពៃខៀវលក្ខណៈគ្រួសារ
260 _aPHNOM PENH
_bRUA
_c2019
300 _aviii,50p,
_bill,
_c29cm,
856 _uhttps://drive.google.com/file/d/1OX2hJrAefEIJ5AEe1OT8Udd8knZZWR50/view?usp=sharing
942 _cAGE
999 _c19863
_d19863