Sagala, R.J., Kambira, P.F.A., Gunawan, U., Sondang and Ambarita, G. 2023. Optimisation of lozenge formulation from Citronella (Cymbopogon nardus (L.) Rendle) extract with various binding materials using a simplex lattice design method. Pharmacy Education. 23, 2 (May 2023), p. 194–199. DOI:https://doi.org/10.46542/pe.2023.232.194199.