Shugaban Najeriya Goodluck Jonathan ya tattauna da 'yan kungiyar kwallon kafa ta mata 'yan kasa da shekaru 20 na kasar, a wani yunkuri na karfafa musu gwiwa a karawar da zasu yi yau Lahadi da kasar Jamus a wasan karshe na gasar cin kofin kwallon kafa ta duniya a Canada.
