| Molecular phylogeny of choanoflagellates, the sister group to Metazoa M Carr, BSC Leadbeater, R Hassan, M Nelson, SL Baldauf Proceedings of the National Academy of Sciences 105 (43), 16641-16646, 2008 | 248 | 2008 |
| A new genus, Helgoeca gen. nov., for a nudiform choanoflagellate BSC Leadbeater, R Hassan, M Nelson, M Carr, SL Baldauf European journal of protistology 44 (3), 227-237, 2008 | 30 | 2008 |
| Type and abundance of marine debris at selected public beaches in Sarawak, East Malaysia, during the northeast monsoon JM Mobilik, TY Ling, ML HUSAIN, R Hassan Journal of Sustainability Science and Management, 2014 | 23 | 2014 |
| Morphological characteristics and habitats of red seaweed Gracilaria spp.(Gracilariaceae, Rhodophyta) in Santubong and Asajaya, Sarawak, Malaysia MNA Othman, R Hassan, MN Harith, ASRM Sah Tropical Life Sciences Research 29 (1), 87, 2018 | 20 | 2018 |
| Public Awareness Program and Development of Education Toolkit for Green Sea Turtle Conservation in Sarawak, Malaysia. R Hassan, NK Yahya, LM Ong, LK Kheng, ZZ Abidin, A Ayob, AM Jainal International Journal of Environmental and Science Education 12 (3), 463-474, 2017 | 20 | 2017 |
| Type and quantity of shipborne garbage at selected tropical beaches JM Mobilik, TY Ling, ML Husain, R Hassan The Scientific World Journal 2016 (1), 5126951, 2016 | 12 | 2016 |
| Razor clams (Class Bivalvia) of Kuala Selangor, Malaysia: morphology, genetic diversity and heavy metal concentration R Hassan, D Kanakaraju Borneo Journal of Resource Science and Technology 2 (2), 19-27, 2013 | 12 | 2013 |
| Assessment of wild saltwater crocodile population in Bako River, Western Sarawak, Malaysian Borneo for potential ecotourism industry. R HASSAN, MAA MD ADZHAR, MIZ ABDUL GANI, R Ahmad Malaysian Applied Biology 47 (1), 2018 | 11 | 2018 |
| Notes on the wild Tomistoma populations in western Sarawak, Malaysian Borneo R Hassan, R Ahmad, MAA Md Adzhar, MIZ Abdul Gani, A Ayob, ... International Journal of Ecology 2016 (1), 4357623, 2016 | 11 | 2016 |
| Blue-green algae and nutrient concentrations in two Tor tambroides aquaculture ponds differing in construction MN Harith, R Hassan Journal of Tropical Biology & Conservation (JTBC) 8, 2011 | 11 | 2011 |
| Red seaweed Gracilaria arcuata in cage culture area of Lawas, Sarawak MNA Othman, R Hassan, MN Harith, ASRM Sah Borneo Journal of Resource Science and Technology 5 (2), 53-61, 2015 | 9 | 2015 |
| Morphological Diversity of Gracilaria blodgettii Harvey 1853 (Gracilariaceae, Rhodophyta) from Sarawak, Malaysian Borneo R Hassan, MNA Othman, MN Harith, ASR Md Sah Scientifica 2019 (1), 3430968, 2019 | 8 | 2019 |
| Type and quantity of marine debris at selected public beaches in Sabah (Tg. Aru & Kosuhoi) during different monsoon seasons JM Mobilik, TY Ling, MLB Husain, R Hassan Borneo Science| The Journal of Science and Technology 38 (1), 2017 | 8 | 2017 |
| Checklist of gastropods from the exclusive economic zone (EEZ), Sarawak, Malaysia WZW Morni, SAK Ab Rahim, R Rumpet, J Musel, R Hassan Tropical Life Sciences Research 28 (1), 117, 2017 | 8 | 2017 |
| Seasonal trends in abundance and composition of marine debris in selected public beaches in Peninsular Malaysia JM Mobilik, TY Ling, MLB Husain, R Hassan AIP Conference Proceedings 1678 (1), 2015 | 8 | 2015 |
| Crocodiles in western of Sarawak, Malaysia R Hassan, M Gani Proceedings of the 22nd Working Meeting of the IUCN SSC Crocodile Specialist …, 2013 | 8 | 2013 |
| Continental Shelf Sediments of Sarawak, Malaysian Borneo WZW Morni, SAK Ab Rahim, T Masron, R Rumpet, J Musel, R Hassan The Scientific World Journal 2017 (1), 4853048, 2017 | 7 | 2017 |
| Debris Marin: punca dan penyelesaian R Hassan Kota Samarahan, Sarawak: Universiti Malaysia Sarawak, 2012., 2012 | 7 | 2012 |
| Analysis of past 26 years landing data to understand the status of Acetes spp. populations in Malaysia DK Stephenie, CA Chen, R Hassan, S Mustafa, R Shapawi, NFA Halid IOP Conference Series: Earth and Environmental Science 718 (1), 012060, 2021 | 5 | 2021 |
| A taphonomic study of Crocodylus porosus (crocodylidae) and Tomistoma schlegelii (gavialidae) remains from western Sarawak, Malaysian Borneo: Applications for public education R Hassan, NFM Azizi, MAAM Adzhar, MIZA Gani, R Ahmad, CLM Ung Trends in Undergraduate Research 1 (1), a23-32, 2018 | 5 | 2018 |
