@book{11421,
	author = {Ndunguru, Philibert Caspar},
	title = {Lectures on research methodology for social sciences},
	publisher = {Research Information and Publication Department},
	year = {c 2007.},
	address = {Mzumbe University},
	url = {https://scholar.mzumbe.ac.tz/handle/123456789/1917}
}