@book{1239,
	author = {KY SOVANNDARA},
	title = {Effect of direct seeding mulch based cropping system on soil fauna,(ឥទ្ធិពលនៃប្រព័ន្ធដំាដុះដំណាំគម្របដីទៅលើសត្វល្អិតក្នុងដី)},
	publisher = {RUA},
	year = {2012},
	address = {phnom penh}
}