1. Abdullah Hisam B Omar. Marine Cadastre Initiatives in Malaysia. JUPEM Campus Program. Keynote Address To Department of Survey and Mapping Malaysia Officer.Ministry of Natural Resources and Environment, Kuala Lumpur, 2015.
2 Abdullah Hisam B Omar. The Development of National Digital Cadastral Database. Seminar on National Cadastral Database. Keynote Address To Department of Survey and Mapping Malaysia Officer.Ministry of Natural Resources and Environment, Kuala Lumpur, 2016.
3 Abdullah Hisam B Omar. Ir 4.0: Geographic Information For Hollistic & Sustainable Decision Making. Digital Hot Trend Series 8/20. National Institute of Public Administration. Kualau Lumpur
4. Abdullah Hisam Omar. Towards Sustainable Development of Marine and Coastal Space Administration: Malaysia Initiatives. Keynote Address at National Seminar: Coastal Management. 2015. National Institute of Technology,Malang , Indonesia.
5 Abdullah Hisam Omar. Sustainable Ecosystem-based Management (EBM) from the Perspective of Integrated Marine Spatial Planning. Keynote Address at 1st Sabah State Conference: Marine Spatial Planning, pg 6-12, 2017 Kota Kinabalu
6. Abdullah Hisam Omar. Raikan Semarak Inovasi: Land Cover and Topography Map Updating In IR 4. Jabatan Tanah dan Survei Sarawak, November ,2021
