LAWAL, Tajudeen, Daniya Adeiza ABDULAZEEZ, and Mohammed Yabagi IBRAHIM. 2019. “HUMAN CAPITAL EFFICIENCY AND PROFITABILITY OF QUOTED INTEGRATED OIL AND GAS COMPANIES IN NIGERIA”. Studia Universitatis Babeș-Bolyai Negotia 64 (3):61-80. https://doi.org/10.24193/subbnegotia.2019.3.04.