Arabinrin Diezani di alakoso ijoba apapo fun eto Irinna oko ni ojo kerindinlogbon osu kefa 2006.. 
et herring f.G., General Chemistry (8ẹ edition, prentice-Hall 2002) awọn ẹgbẹ elimẹ́ńtì kẹ́míkàtabili idasiko awọn elimẹ́ńtì.. 