Rose Gabriel, U., Sunday Asukwo, O. and Emmanuel Okon, E. 2025. ENVIRONMENTAL RESTORATION COSTS DISCLOSURES AND INVESTORS’ BEHAVIOUR IN THE OIL AND GAS FIRMS IN NIGERIA. GPH-International Journal of Business Management. 8, 9 (Oct. 2025), 108-133. DOI:https://doi.org/10.5281/zenodo.17465002.