@book{15689,
	author = {TITH KIMSEAR ទិត្យ គឹមសៀ },
	title = {comparison of different rate of urea fertilizer on celery cabbage (bassica campestris)  ការប្រៀបធៀបកម្រិតជីអ៊ុយរ៊េខុសៗគ្នាលើដំណាំស្ពៃចង្កឹះ},
	publisher = {RUA},
	year = {2016},
	address = {phnom penh },
	url = {https://drive.google.com/file/d/1Qbj0Yjg-EtN5c1y64_2dk61_yD6QQvkx/view?usp=sharing}
}