@book{17570,
	author = {CHHORN PISEY,ឈន ពីសី},
	title = {effect of conservation agriculture cropping systems on soil organic matter and soil fertility;ឥទ្ធិពលការអនុវត្តកសិកម្មអភិរក្សក្នុងប្រពន្ធ័ដាំដុះដំណាំលើសារធាតុសរីាង្គនិងជីជាតិដី},
	publisher = {RUA},
	year = {2016},
	address = {phnom penh},
	url = {https://drive.google.com/file/d/1pEdGYnIrPWu6PKYU6Upi2bHHxquA00qR/view?usp=sharing}
}