@article{paperid:1070945, author = {Taghavi Shahri, Seyyedeh Fatemeh and Alizadeh Yazdi, Zahra and Shahin Atashbar Tehrani}, title = {Next-to-Next-to-Leading Order Calculation of Valence Quark Polarization in the Valon Model}, journal = {International Journal of Theoretical Physics}, year = {2019}, volume = {58}, number = {1}, month = {January}, issn = {0020-7748}, pages = {157--166}, numpages = {9}, keywords = {Valon model·PPDFs·Valence quarks polarization·NNLO approximation}, }