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