Tarannum, Roksana. “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 26, no. 1 (November 7, 2019). Accessed November 24, 2024. http://696047.dmk5sg09p.asia/index.php/bjpa/article/view/26.