Dadrasmoghada, Amir, Mohammad Ali Sahebkaran, Seyed Khosrou Etezad, Jafar KHoshbakhti, and Ali Barbaar. 2021. “The Optimal Level of Variation of Nike and Adidas Sporting Brands in Mashhad Sporting Stores”. International Journal of Psychosocial Rehabilitation 25 (1): 381-91. https://doi.org/10.61841/rkkx3790.