@article{ author = {Nakhaei, Ahmad, Yadegarian, Sepideh}, title = {Synthesis of Tetrahydrobenzo[a]xanthene-11-one Derivatives Using ZrO2–SO3H as Highly Efficient Recyclable Nano-catalyst}, journal = {Journal of Applied Chemical Research}, year = {2017}, volume = {11}, issue = {3}, pages = {72-83}, doi = {}, url = {https://sanad.iau.ir/fa/Article/865639} }