Twelve Concepts for World Service Numéro de référence : BM-32 En stock $3.45 Quantité de réductions disponibles QuantitéPrix1 - 19$3.4520 - 99$3.24100 - 199$3.04200 +$2.83 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. Twelve Concepts for
