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The Challenges of Science Education in Secondary School Level: A Case Study from Chakaria Upazila of Cox‟s Bazar District. Bangladesh Journal of Public Administration, [S. l.], v. 26, n. 1, 2019. DOI: 10.36609/bjpa.v26i1.26. Disponível em: http://icpad.bpatc.org.bd/index.php/bjpa/article/view/26. Acesso em: 27 dec. 2025.