Iskandar, Hayati Minarsih, et al. “Cloning and Characterization of P5CS1 and P5CS2 Genes from <i>Saccharum officinarum< i> L. Under Drought Stress”. Journal of Tropical Crop Science, vol. 1, no. 1, June 2014, pp. 23-30, doi:10.29244/jtcs.1.1.23-30.