Articles OWNERSHIP STRUCTURE AND CORPORATE PERFORMANCE OF SELECTED LISTED FIRMS ON THE NIGERIAN STOCK EXCHANGEENVIRONMENTAL APPRAISAL COSTS AND PROFITABILITY OF OIL AND GAS COMPANIES IN NIGER DELTA REGION OF NIGERIAHUMAN RESOURCES ACCOUNTING AND THE PROFITABILITY OF COMMERCIAL BANKS IN NIGERIAEFFECT OF INTEGRATED PERSONNEL PAYROLL AND INFORMATION SYSTEM (IPPIS) ON PAYROLL FRAUD IN NIGERIAN PUBLIC SECTORBUREAUCRATIC CORRUPTION IN NIGERIA BUSINESS/CIVIL SERVICE: A SYSTEM REVIEWTAX INCENTIVES AND THE FOREIGN DIRECT INVESTMENT INFLOWS IN SUB-SAHARAN AFRICAN COUNTRIES