Laosutthipong, C., Seritrakul, P., and Na Chiangmai, P. 2019. “Lignin biosynthesis genes (OsPAL and Os4CL3) sequencing of native upland rice varieties from Pala U Village, Thailand”. International Journal of Agricultural Technology 15 (6):947-58. https://li04.tci-thaijo.org/index.php/IJAT/article/view/8351.