Affiliation: | 1.Department of P.G. Studies and Research in Mathematics, Kuvempu University, Shankaraghatta, 577451, India ;2.Department of Mathematical Sciences, Fluid Dynamics and Survey Research Group, Federal University of Technology, PMB 704, Akure, Nigeria ;3.Informetrics Research Group, Ton Duc Thang University, Ho Chi Minh City, Vietnam ;4.Faculty of Mathematics & Statistics, Ton Duc Thang University, Ho Chi Minh City, Vietnam ; |