Institution: | 1. Universidade Estadual Paulista, 17602-496 Tupã, SP, Brazil;2. Universidade de São Paulo, 13560-970 São Carlos, SP, Brazil;1. International Business School Suzhou, Xi’an Jiaotong-Liverpool University, Jiangsu, 215103, China;2. Department of Mathematics, National University of Singapore, 10 Lower Kent Ridge Road, 119076, Singapore |