@book{1795,
	author = {Perez Santos, Alexandra Sashenka and Plata Zapata, Patricia},
	title = {Desarrollo del pensamiento hipoteticas deductivo en alumnos de grado once del Colegio Luis Lopez de Mesa de Villavicencio /},
	publisher = {UNILLANOS,},
	year = {1995.},
	address = {Villavicencio :}
}