@book{931,
	author = {CHEA, PILONG.},
	title = {Effect of diferent mulching on chinese kale crop royal university of agriculture ឥទ្ធិពលនៃគំរបទៅលើដំណាំខាត់ណាដើមនៅសាកលវិទ្យាល័យភូមិន្ទកសិកម្ម},
	publisher = {RUA},
	year = {2009},
	address = {Phnom Penh}
}