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Balakrishnan, Vimala and Lok, Pik Yin and Abdul Rahim, Hajar (2021) A semi-supervised approach in detecting sentiment and emotion based on digital payment reviews. The Journal of Supercomputing, 77 (4). pp. 3795-3810. ISSN 0920-8542, DOI https://doi.org/10.1007/s11227-020-03412-w.