@book{589,
	author = {HEANG SOPHAL},
	title = {Effect of hill spacing on radish yield at royal university of agriculture's crop station,(ឥទ្ធិពលចន្លោះគុម្ពទៅលើទិន្នផលដំណាំឆៃដាវនៅស្ថានីយ៍សាកលវិទ្យាល័យភូមិន្ទកសិកម្ម)},
	publisher = {RUA},
	year = {2004},
	address = {phnom penh },
	url = {https://drive.google.com/file/d/10fa7SoOaZqsitGV8DIVBf7r2QeTYCvy8/view?usp=sharing}
}