Chantkam, S. (1982) “Growth and Phosphorus Concentrations of Centrosema pubescens Benth in Flowing Solution Culture under Differing Defoliation Regimes”, Agriculture and Natural Resources. Bangkok, Thailand, 16(1), pp. 1–11. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/240859 (accessed: 18 September 2026).