| Access to safe water supply and sanitation in lower Orashi River Basin, Rivers State, Nigeria SB Arokoyu, DRT Ukpere ARPN Journal of Science and Technology 4 (11), 639-646, 2014 | 9 | 2014 |
| Impacts of air pollution in the Niger Delta Region of Nigeria DRT Ukpere, AB Clifford, ESC Ojule, CR Ottah International Journal of Geography and Environmental Management 4 (4), 13-21, 2018 | 7 | 2018 |
| Politics and policy of environmental pollution in the Niger Delta Region of Nigeria DRT Ukpere Earth sciences 24 (16), 145-163, 2016 | 5 | 2016 |
| Effects of waste dumps on land use and property values in Port Harcourt DRT Ukpere Unpublished Master’s Thesis) Department of Geography and Environmental …, 2005 | 5 | 2005 |
| Prioritizing Eco-Cultural Tourism Development in Nigeria for Wealth Generation and Sustainable Development DR Ukpere, GPD Wabah International Journal of Geography andEnvironmental Management ISSN, 2504-8821, 2018 | 3 | 2018 |
| Remote sensing and GIS application in environmental management DRT Ukpere, CR Ottah, PH Rumuolumeni | 1 | 2018 |
| Social Crises in Rivers State and Conflict Resolution Strategies GPD Wabah, DR Ukpere International Journal of Social Sciences and Management Research 4 (8), 72, 2018 | 1 | 2018 |
| Geo-spatial analysis of the impacts of urbanization-induced activities on soil quality in Port Harcourt Metropolis, Rivers state-Nigeria AA Igwe, DRT Ukpere Journal of Geographical Research 5 (01), 39-54, 2022 | | 2022 |
| Landuse and Land Cover Change in Ikwerre Local Government Area of Rivers State-Nigeria (1987-2020) W Innocent, BA CLIFFORD | | |
