“Perbanyakan tanaman kina Cinchona ledgeriana Moens. dan C. succirubra Pavon melalui penggandaan tunas aksiler Propagation of cinchona plant Cinchona ledgeriana Moens. and C. succirubra Pavon through axillary buds multiplication” (2016) E-Journal Menara Perkebunan, 72(1). doi:10.22302/iribb.jur.mp.v72i1.125.