Panas Thamgeratiwong, Verachon Peungchai, Uraiwan Sheevacharoen, Chamnean Satayapunt, Voratep Chompoonit and M.R. Chavanit N. Vorawarn (1989) “Feeding Milking Cows with Some Legume leaves”, Agriculture and Natural Resources. Bangkok, Thailand, 23(3), pp. 220–227. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/242298 (accessed: 17 September 2026).