@book{2183,
	author = {Hall, T. L and World Health Organization},
	title = {Health manpower planning : },
	publisher = {WHO,},
	year = {1978.},
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/40341/924154130X_%28ch1-ch6%29.pdf?sequence=1&isAllowed=y}
}