INFORME ANUAL DE LABORES. JUNIO 1986- MAYO 1987.
San Salvador, 1987. Paperback. vi., 94p., tables, wrps, 4to. More
San Salvador, 1987. Paperback. vi., 94p., tables, wrps, 4to. More
El Salvador, 1987. Paperback. v, 94p., wrps. Photocopy of a limited distribution document. More