@book{821341,
	author = {Bestman, Monique},
	title = {Laying hens: a practical guide for layer focused management},
	publisher = {Roodbont Publ. [u.a.],},
	year = {2012.},
	series = {Poultry signals},
	address = {Zutphen :},
	edition = {พิมพ์ครั้งที่ }
}