00339nam a22001217a 450000500170000010000180001724500410003526400170007630000110009352000550010465000370015985200210019620250918114726.0  aGERDES, Pauus  aKarl MarxbArrancar o veu misterioso  aMaputoc1983  a112b1  aexemplos de aplicacao de Matematica na agricultura  aexercicios de matimatica agraria  kCM-754h517bBNM