@book{388,
	author = {Vargas Nisthal, Néstor Fernando},
	url = {http://fausac.usac.edu.gt/tesario/tesis/T-00388.pdf},
	title = {Análisis del cooperativismo agrícola en Guatemala /},
	address = {Guatemala,},
	publisher = {Universidad de San Carlos de Guatemala, Facultad de Agronomía:},
	year = {c1979.}
}