Hello all fans of sportsbook betting. I carry out a small research and I wanted to ask you for assistance in completing the questionnaire. All the action takes you to a maximum of 4 minutes and in that way you will help me very. Thanks in advance for those who will do this for me. The survey is anonymous. It is about system betting. Here is the link http://www.wbadanie.pl/ankieta/203767040/ much appreciated 