title: Qeybta Wadooyinka Dhexe oo magac cusub loo bixiyay si loo soo afjaro jahwareerka Iowa
abstract: Calaamadaha wadooyinka ayaa isbedelaya usbuucyada soo socda, sida isbedelada ku imaanaya nidaamyada khariidaynta iyo khariidaynta khadka tooska ah.