Iswandana, Raditya, et al. “FORMULATION OF CHITOSAN TRIPOLYPHOSPHATE-TETRANDRINE BEADS USING IONIC GELATION METHOD: IN VITRO AND IN VIVO EVALUATION”. International Journal of Applied Pharmaceutics, vol. 9, no. 5, Sept. 2017, pp. 109-15, doi:10.22159/ijap.2017v9i5.20842.