Zerihun Desalegn, Ngamchuen Ratanadilok, Rungsarid Kaveeta, Pradit Pongtongkam, and Ananchai Kuantham, “Heterosis and Combining Ability for Yield and Yield Components of Cotton (Gossypium hirsutum L.)”, Agr. Nat. Resour., vol. 38, no. 1, pp. 11–20, Feb. 2004.