A. Al-Hemiri, A. et al. 2009. Extraction of medicinal compounds from botanicals using bulk liquid membrane in rotating film contactor: Recovery of vinblastine from catharanthus roseus. Iraqi Journal of Chemical and Petroleum Engineering. 10, 3 (Sep. 2009), 25–30. DOI:https://doi.org/10.31699/IJCPE.2009.3.4.