@book{481,
	author = {HOUT, NORAK},
	title = {Experimentation on tomato sauce jar at the royal university of agriculture. ( ការពិសោធន៍ទឹកប៉េងប៉ោះនៅមន្ទីពិសោធន៍សាកលវិទ្យាល័យភូមិន្ធកសិកម្ម)},
	publisher = {RUA},
	year = {1999},
	address = {phnom phen}
}