Sholehah, Diana Nurus, et al. “Production and Phytochemical Variation of Kaempferia Rotunda Rhizomes in Relation to Soil Nutrient Conditions on Madura Island”. Jurnal Jamu Indonesia, vol. 11, no. 2, Mar. 2026, pp. 135-43, https://doi.org/10.29244/jji.v11i2.459.