$7.28

Prieto, Mcgraw Hill

$6.00

M. Estevez - M. Alvarez, Salesiana

$12.00

Judith A. Aurenty F., Actualidad Escolar 2000

$28.60

$45.00

Manuel Alvarez, Salesiana

$12.00

Paul a Davies, Macmillan

$5.76

Andrew Starling, Richmond

$18.88

J. Lawley - R. Fernandez, Richmond

$11.38

Rachel Finnie, Macmillan

$5.76

S. Brewster - A. Lane, Richmond

$28.00

Brewster - Davies, Macmillan

$6.00

J. Lawley - R. Fernandez, Richmond

$11.38

Carmen Brioli, Actualidad Escolar 2000

$8.74

Manuel Alvarez, Salesiana

$12.00