Herawati, R., Purwoko, B. S., Dewi, I. S., Romeida, A., Ganefianti, D. W. and Marlin (2020) “Analysis of polyethylene glycol (PEG) and proline to evaluate drought stress of double haploid new type upland rice lines”, International Journal of Agricultural Technology, 16(4), pp. 785–798. available at: https://li04.tci-thaijo.org/index.php/IJAT/article/view/7029 (accessed: 15 September 2025).