Twelve Concepts for World Service SKU: BM-32 Agotado $3.45 Descuentos disponibles CantidadPrecio1 - 19$3.4520 - 99$3.24100 - 199$3.04200 +$2.83 This item is out of stock. We'll ship your order as soon as the item is available. The Concepts - principles of service that have emerged from A.A.'s service accomplishments and mistakes since its beginning - are set forth by Bill W. Agregar al carrito correo electrónico Twelve Concepts for