[2] viXra:2002.0104 submitted on 2020-02-05 18:16:25, (129 unique-IP downloads)
Authors: Alireza Salehi Nejad
Category: Social Science
[1] viXra:2002.0102 submitted on 2020-02-05 18:21:42, (111 unique-IP downloads)
Authors: Alireza Salehi Nejad
Category: Social Science