@book{8583,
	author = {Drucker, Peter F.},
	title = {The Essential drucker},
	publisher = {Butterworth Heinemann},
	year = {2001},
	address = {Oxford},
	url = {https://libgen.is/book/index.php?md5=BFE4953D5B50B59B5D3F1AF70E7E5DF5}
}