@article{ author = { Pashazadeh, Hasan , Babazadeh, Babak, Nojavan, AliReza}, title = {A comparative study of the role of external instruments in interpreting obligations in sports contracts}, journal = {پژوهش های کاربردی در علوم ورزشی و سلامت}, year = {2025}, volume = {3}, number = {4}, pages = {89-98}, doi = {10.71865/journal.2025.08191189986} }