Kleinbäuerliche nachhaltige Landwirtschaft in den Munizipien Zacatecoluca und San Juan Nonualco Sustainable and community based small scale farming in Zacatecoluca and San Juan Nonualco Municipalities, El Salvador Kleinbäuerliche nachhaltige Landwirtschaft in den Munizipien Zacatecoluca und San Juan Nonualco Sustainable and community based small scale farming in Zacatecoluca and San Juan Nonualco Municipalities, El Salvador Kleinbäuerliche nachhaltige Landwirtschaft in den Munizipien Zacatecoluca und San Juan Nonualco Sustainable and community based small scale farming in Zacatecoluca and San Juan Nonualco Municipalities, El Salvador