text ag 2002 9999 continuing a Existencias: [2002: 61/64] [2003: 65/69] [2004: 71/74] [2005: 75/80] [2006: 81/84] [2007: 86/89] [2008: 91/94] [2009: 95] [2010:101/102-104] [2011: 106/108] [2017: 159/160] [2018: 161/162-165-168-170] [2019:171/175....] Revista Técnica de la Asociación Argentina de Productores en Siembra Directa Agropecuarias 1850-1559 AR-ReUNN 260630 20260702152857.0 218259 spa