Niruba Sarath Jayasundara & Wijesekara Mudiyanselage Sumith Dananjaya 2023. Adaptability of Language Planning Models for Sri Lanka’s Medium of Instruction in Higher Education Institutions: Challenges and Opportunities. Research Highlights in Language, Literature and Education Vol. 8. (Aug. 2023), 139–152. DOI:https://doi.org/10.9734/bpi/rhlle/v8/5630A.