LAWAL, T., ABDULAZEEZ, D.A. and IBRAHIM, M.Y. 2019. HUMAN CAPITAL EFFICIENCY AND PROFITABILITY OF QUOTED INTEGRATED OIL AND GAS COMPANIES IN NIGERIA. Studia Universitatis Babeș-Bolyai Negotia. 64, 3 (Sep. 2019), 61–80. DOI:https://doi.org/10.24193/subbnegotia.2019.3.04.