Nga, P. T. T.; Trang, N. T. H.; Phúc, N. V.; Quý, T. D.; Bình, V. P. VIETNAMESE TEXT EXTRACTION FROM BOOK COVERS. DLU JOS 2017, 7 (2), 142-152. https://doi.org/10.37569/DalatUniversity.7.2.234(2017).