Ikegbu, Ephraim Ahamefula, and Maduka Enyimba. “Implications of Some Selected Ethical Theories for Environmental Sustainability and Development in Nigeria”. European Journal of Sustainable Development 9, no. 1 (February 1, 2020): 150. Accessed April 25, 2024. http://ojs.ecsdev.org/index.php/ejsd/article/view/973.