@book{58869,
	author = {International Economic Conference},
	title = {The Relation Of Labour Cost To Total Costs Of Production In Agriculture /},
	publisher = {League Of Nations International Labour Office ,},
	year = {1926.},
	address = {Geneva  : },
	note = {Documentation},
	url = {https://fll.law.cu.edu.eg/fulltext/bks/B13-08632.pdf}
}