Institution: | 1. Department of Mathematics, Nizwa College of Applied Sciences, PO Box 699, Nizwa, 611, Sultanate of Oman 2. School of Mathematics and Statistics, The University of Western Australia, 35 Stirling Hwy, Crawley, WA, 6009, Australia 3. School of Engineering, Edith Cowan University, 270 Joondalup Drive, Joondalup, WA, 6027, Australia
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