@book{78561,
	author = {Smale, Melinda. and Phiri, Allexander.},
	title = {Institutional change and discontinuities in farmers' use of hybrid maize seed and fertilizer in Malawi :},
	publisher = {Centro Internacional de Mejoramiento de Maíz y Trigo,},
	year = {1998.},
	series = {Economics. Working paper},
	address = {México, D.F. :}
}