MOHIDEEN BAWA NOWZATH; SINGANAYAGAM UMASHANKAR; M.R RISHAD MUHAMMED. Obstacles to Sinhala Oral Communication among Deep-Sea Fishermen: A Phenomenological Study. INTERDISIPLIN: Journal of Qualitative and Quantitative Research, [S. l.], v. 3, n. 1, p. 8–24, 2026. DOI: 10.61166/interdisiplin.v3i1.141. Disponível em: https://interdisiplin.my.id/index.php/i/article/view/141. Acesso em: 9 jul. 2026.