| How does ‘crowding’affect visitor satisfaction at the Horton Plains National Park in Sri Lanka? RMW Rathnayake Tourism Management Perspectives 16, 129-138, 2015 | 73 | 2015 |
| Pricing the enjoyment of ‘elephant watching’at the Minneriya National Park in Sri Lanka: An analysis using CVM RMW Rathnayake Tourism Management Perspectives 18, 26-33, 2016 | 28 | 2016 |
| Economic values for recreational planning at Horton Plains national park, Sri Lanka RMW Rathnayake Tourism Geographies 18 (2), 213-232, 2016 | 28 | 2016 |
| ‘Turtle watching’: A strategy for endangered marine turtle conservation through community participation in Sri Lanka RMW Rathnayake Ocean & coastal management 119, 199-207, 2016 | 23 | 2016 |
| Willingness to pay for a novel visitor experience: ecotourism planning at Kawdulla National Park in Sri Lanka RMW Rathnayake Tourism Planning & Development 13 (1), 37-51, 2016 | 21 | 2016 |
| Estimation of recreational value of Horton Plains National Park in Sri Lanka: A decision making strategy for natural resourcemanagement RMW Rathnayake, U Gunawardena Journal of Tropical Forestry and Environment 1 (1), 2011 | 18 | 2011 |
| Vehicle crowding vs. consumer surplus: A case study at Wasgomuwa National Park in Sri Lanka applying HTCM approach RMW Rathnayake Tourism Management Perspectives 20, 30-37, 2016 | 9 | 2016 |
| Social carrying capacity of the Horton plains national park, Sri Lanka RMW Rathnayake, U Gunawardena NSF: Colombo, 2012 | 9 | 2012 |
| Estimating Demand for Turtle Conservation at the Rekawa Sanctuary in Sri Lanka RMW Rathnayake The South Asian Network for Development and Environmental Economics Working …, 2015 | 6 | 2015 |
| Enjoying elephant watching: a study on social carrying capacity of Kawdulla National Park in Sri Lanka RM Rathnayake, UAD Gunawardena Belihuloya, Sabaragamuwa University of Sri Lanka, 2013 | 6 | 2013 |
| Estimation of recreational value of the Wasgamuwa National Park RMW Rathnayake, U Gunawardena International Conference on relating the environment to regional development …, 2002 | 6 | 2002 |
| A quantitative study of overstorey vegetation of an upper montane rain forest RMW Ratnayake, LR Jayasekera, SM Solangaarachchi Department of Forest: Battaramulla, 1996 | 5 | 1996 |
| Threats to sandy shore habitats in Sri Lanka from invasive vegetation W Rathnayake RM Impacts of invasive species on coastal environments 29, 2019 | 3* | 2019 |
| Recreational Planning: Estimation of visitors satisfaction at Kawdulla national park in Sri Lanka RMW Rathnayake Wildlanka 3 (1), 38-48, 2015 | 3 | 2015 |
| Industrial Hazardous Waste Management: Avenues for Collaborations G Karunasena, R Rathnayake | 3 | 2013 |
| ‘Elephant watching’for mitigating human-elephant conflict: a case study in Sri Lanka R Wasantha Rathnayake Belihuloya, Sabaragamuwa university of sri lanka, 2020 | 2 | 2020 |
| “Should ‘Paraviwella Beach’ in Sri Lanka be Preserved for ‘Sea Bathing’?”: A ZTCM Approach W Rathnayake Sabaragamuwa University Journal 14 (2), 86-100, 2015 | 2 | 2015 |
| Research Note: Estimation of the Welfare Benefit of Boating at Maduganga Ramsar Wetland in Sri Lanka R Mudiyanselage, W Rathnayake Tourism Economics 21 (4), 917-926, 2015 | 2 | 2015 |
| Undergrowth vegetation in dry mixed evergreen forest RMW Rathnayake Sri Lanka Forest Department: Battaramulla, 2002 | 2 | 2002 |
| Threatened endemic vegetation in the upper montane rain forest in Hakgala Strict Nature Reserve RMW Rathnayake, LR Jayasekara Sri Lanka Forester 23, 18-22, 1998 | 2 | 1998 |
