Chuanpis Aroonrungsikull, Kasem Piluek, Pornpan Phuprompunl, Siriwan Burikamt and Siriporn Chumsangchotsakult (1993) “Production and Verification of Interspecific Hybrids in Brassica spp”., Agriculture and Natural Resources. Bangkok, Thailand, 27(5), pp. 27–36. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/241737 (accessed: 17 September 2026).