@book{18189,
	author = {RUM SARY រ៉ុម សារី},
	title = {effect of urea fertilizer on chinese cabbage ឥទិ្ធពលរបស់ជីអ៊ុយរ៉េកម្រិតផ្សេងៗគ្នាទៅលើដំណាំស្ពៃក្រញ៉ាញ់},
	publisher = {rua},
	year = {2017},
	address = {phnom penh},
	url = {https://drive.google.com/file/d/1PNoHpKDKx2jlSkPVSbtqRjugxt46ax4o/view?usp=sharing}
}