@book{55506,
	author = {Orwin , C. S.},
	title = {Farming Costs /},
	publisher = {Clarendon Press ,},
	year = {1921 .},
	address = {Oxford :},
	note = {Includes illustrations, Tables, Charts.
Includes Index Pages : 140-141.},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-08356.pdf}
}