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Jin Y, Ashraf S, Abdullah S.Jin Y, et al. Among authors: ashraf s.Entropy (Basel). 2019 Jun 26;21(7):628. doi: 10.3390/e21070628.Entropy (Basel). 2019.PMID: 33267343Free PMC article.
Batool B, Ahmad M, Abdullah S, Ashraf S, Chinram R.Batool B, et al. Among authors: ashraf s.Entropy (Basel). 2020 Mar 11;22(3):318. doi: 10.3390/e22030318.Entropy (Basel). 2020.PMID: 33286092Free PMC article.
Ashraf S, Rehman N, Abdullah S, Batool B, Lin M, Aslam M.Ashraf S, et al.Math Biosci Eng. 2022 Jan 20;19(3):3147-3176. doi: 10.3934/mbe.2022146.Math Biosci Eng. 2022.PMID: 35240825Free article.