@article{ author = {Abbasi Astamal, Mohammadreza, Abbaspour, Akbar}, title = {The effect of Corporate Governance System Factors on Business unit Research and Development Expenses with emphasis on Economic Sanctions Conditions}, journal = {Accounting and Corporate Governance Researches}, year = {2023}, volume = {2}, issue = {3}, pages = {127-142}, doi = {}, url = {https://sanad.iau.ir/fa/Article/977478} }