“Pertumbuhan Biak Kalus Dan Suspensi Sel Tanaman Kina (Cinchona Ledgeriana Moens) Growth of Callus and Cell Suspension Cultures of Cinchona (Cinchona Ledgeriana Moens)”. E-Journal Menara Perkebunan, vol. 73, no. 1, Mar. 2016, https://doi.org/10.22302/iribb.jur.mp.v73i1.158.