id	keyword
gujaf-41	firms
gujaf-41	nigeria
gujaf-41	period
gujaf-41	oil
gujaf-41	management
gujaf-41	gas
gujaf-41	average
gujaf-41	working
gujaf-41	capital
gujaf-41	profitability
gujaf-41	gas firms
gujaf-41	study
gujaf-41	value