KANTACHOT, CHORTIP, SAKULTALA NINKAEW, and PRANOM CHANTARANOTHAI. 2014. “A Revision of Tephrosia Pers. (Leguminosae-Papilionoideae) in Thailand”. Tropical Natural History 14 (2):75-86. https://li01.tci-thaijo.org/index.php/tnh/article/view/103023.