Kobkeaw Trongkongsin, and Painarin Patumchotivat. “ brasilianum and Lablab purpureus”. Agriculture and Natural Resources 23, no. 2 (June 30, 1989): 143–148. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/242288.