id	keyword
ajeer-1717	oil
ajeer-1717	exchange
ajeer-1717	price
ajeer-1717	rate
ajeer-1717	exchange rate
ajeer-1717	oil price
ajeer-1717	wavelet
ajeer-1717	causality
ajeer-1717	journal
ajeer-1717	asian
ajeer-1717	nigeria
ajeer-1717	time
ajeer-1717	equation