| Affiliation: | 1. Maseno University, School of Physical and Biological Sciences, Department of Zoology, P. O. Box Private Bag-30405, Maseno, Kenya;2. Department of Biological Sciences, Masinde Muliro University of Science and Technology, School of Natural and Applied Sciences, P.O. Box 190-50100, Kakamega, Kenya;1. School of Mathematics and Statistics, Xi''an Jiaotong University, Xi''an, 710049, China;2. Department of Applied Mathematics, Xi''an University of Technology, Xi''an, 710049, China;3. School of Mathematics, Shandong University, Jinan, 250100, China;1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Research Center for Analysis and Measurement & College of Materials Science and Engineering, Donghua University, Shanghai 201620, China;2. School of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China |
