Rahavi Ezabadi,R , , sadeghian shahi,M R , and Rezaei,E . "The Effects of Instruction of Learning Strategies and Difficulty of Decision Making on the Accuracy of Forehand Top Spin in Table Tennis", Sport Psychology Studies, 7, 26, 2019, 77-90. doi: 10.22089/spsyj.2019.6636.1705