UMUTEME , O.M. and ADEGBITE, W.M. 2024. OPERATIONAL VARIABLES INFLUENCING TEAM EFFECTIVENESS, CULTURE, AND LEADERSHIP IN THE NIGERIAN OIL AND GAS PROJECT ENVIRONMENT. Modern Management Review. 29, 3 (Oct. 2024), 79-102. DOI:https://doi.org/10.7862/rz.2024.mmr.15.