Thanisawanyangkura, S., H. Sinoquet, P. Clouvel, M. Cretenet, and E. Jallas. “Relationship between Subtending Leaf Irradiance and Fruit Production and Quality of Cotton (Gossypium hirsutum L.)”. Agriculture and Natural Resources, vol. 31, no. 5, Dec. 1997, pp. 128-42, https://li01.tci-thaijo.org/index.php/anres/article/view/241065.