@book{1026,
	author = {KEP, KIMLEANG.},
	title = {effect of hill spacing on yield of four rice varieties (ឥទ្ធិពលនៃចន្លោះគុម្ពលើពូជស្រូវបួនពូជ)},
	publisher = {RUA},
	year = {2010},
	address = {Phnom Penh}
}