- Samaraweera, H. Unnathi S., (2025). The Role of a Social Worker in the Midst of Socio-Economic Crisis in Sri Lanka, Social Work in an Unequal World, Rajendra Baikady (Ed.) (p. 433-448). Oxford University Press. https://global.oup.com/academic/product/social-work-in-an-unequal-world-9780197807538?cc=lk&lang=en&#(Scopus indexed/ English language publication).
- Hettige, S., Mahees, M., Premarathna, M., Hariharan, L., Fernando, A., Unnathi, H., & Samaraweera, S. (2025). Science, Religion, and Evolution in a Context of Religious Pluralism: The Case of Sri Lanka. In International Perspectives on Science, Culture, and Belief(p. 125-146). Routledge. https://www.taylorfrancis.com/chapters/oa-edit/10.4324/9781003476580-10/science-religion-evolution-context-religious-pluralism-siri-hettige-mohamed-mahees-mahesh-premarathna-luxshe-hariharan-avanka-fernando-unnathi-samaraweera (Co-authored/ English language publication).
- Samaraweera, H. Unnathi S. 2024. ‘Power and Politics in Collaborative Social Work: Experiences from Sri Lanka’, In The Oxford Handbook of Power, Politics, and Social Work, (1st Edn), Baikady, R., Przeperski, J. Sajid S.M., & Islam,M.R. (eds). (p 279-294), Oxford, New York. https://books.google.lk/books?hl=en&lr=&id=CComEQAAQBAJ&oi=fnd&pg=PA279&ots=vh3G7_mXUs&sig=ia1l75KJ7Vz8ZaJRJEzgt0rQJ3I&redir_esc=y#v=onepage&q&f=false(Scopus Indexed/ English language publication).
- Samaraweera, H. Unnathi S. 2024. ‘Cultural Sensitivity and Social Work within the Mlulticultural Landscape of Sri Lanka’, In The Routledge International Handbook of Social Work Teaching, (1st Edn), Przeperski, J & Baikady, R. (eds). (p 519-530), Routledge, London. https://www.taylorfrancis.com/chapters/edit/10.4324/9781003422402-38/cultural-sensitivity-social-work-within-multicultural-landscape-sri-lanka-unnathi-samaraweera?context=ubx&refId=acbabaa5-ad1d-4d06-a539-8ff8aa4b20d5 (Scopus indexed/ English language publication).
- Samaraweera, H.U.S. 2023. ‘Reproducing Vulnerabilities Through Forced Displacement: A Case Study of Flood Victims in Galle District, Sri Lanka’. In Rebuilding Communities After Displacement, Hamza, M., Amaratunga, D., Haigh, R., Malalgoda, C., Jayakody, C., Senanayake, A. (eds). (p 291-312). Springer, Cham. https://doi.org/10.1007/978-3-031-21414-1_13 (Scopus indexed/English language publication).
- Samaraweera, H.U.S. 2022. ‘Situating Female Substance Abuse Within the Larger Socio-cultural Context in Sri Lanka’. In The Palgrave Handbook of Global Social Problems, Baikady, R., Sajid, S., Przeperski, J., Nadesan, V., Islam, M.R., Gao, J. (eds). Palgrave Macmillan, Cham. https://doi.org/10.1007/978-3-030-68127-2_1-1 (English language publication).
- Samaraweera, H. U. S. 2022. ‘A Critical Reading of Community Social Work Methods and Practices Employed within Urban Underserved Communities in Sri Lanka’. InThe Routledge Handbook of Social Work Field Education in the Global South, Baikady,R., Sajid S.M., Nadesan,V., Islam, M.R. (eds). (p. 102-115). Routledge. https://www.taylorfrancis.com/chapters/edit/10.4324/9781003270119-10/critical-reading-community-social-work-methods-practices-employed-within-urban-underserved-communities-sri-lanka-unnathi-samaraweera?context=ubx&refId=e6256593-88cf-4d05-83f5-eef3440bd609 (Scopus Indexed English language publication).
- Samaraweera, H.U.S. 2021. ‘Flood ‘Survivors’ or Flood ‘Dependents’? A Sociological Reading of Flood ‘Victims’ in Urban Sri Lanka’. In Multi-Hazard Early Warning and Disaster Risks, Amaratunga, D., Haigh, R., Dias, N. (eds). (p.223-233). Springer, Cham. https://doi.org/10.1007/978-3-030-73003-1_14 (English language publication).
- Samaraweera H.U.S. 2020, “Social Work Education in Contemporary Sri Lanka: Issues and Challenges”. In The Palgrave Handbook of Global Social Work Education, S.M. S., Baikady R., Sheng-Li C., Sakaguchi H. (eds), (p.379-391). Palgrave Macmillan, Cham. https://doi.org/10.1007/978-3-030-39966-5_23 (Scopus Indexed/English language publication).