Tabatabaeian, K., Zanjanchi, M.A., Mamaghani, M. and Dadashi, A. 2016. Ultrasonic-assisted ruthenium-catalyzed one-pot synthesis of biscoumarins. JOURNAL OF ADVANCES IN CHEMISTRY. 11, 2 (Jan. 2016), 3532–3539. DOI:https://doi.org/10.24297/jac.v11i2.2219.