@article{ author = {Hassani, Mohsen, lal bar, Ali}, title = {Investigating the Role of Internal Managers; Global Financial Crisis and Financial Constraints on the Relationship Between Financial Loss and the Intensity of Investment in Research and Development Spending in Information Technology Companies}, journal = { Roshd -e- Fanavari}, year = {2021}, volume = {17}, number = {67}, pages = {51-60}, doi = {10.52547/jstpi.20917.17.67.51} }