| ISPN | 9789773377120 |
| Author | Dr. Tarek Elyas |
"Some people think that it is possible to know the reaction of the other to different positions, but we are surprised by the difficulty of this matter, because man is made up of a group of different feelings and feelings that represent the backbone of his behavior, the expressions of his body and even his morals. Human behaviour may therefore be unknown to a large number of people. In this book an answer to this puzzling question. Why is human behavior unknown?
