KAMUNYA, S.; LUBANG’A, N.; KIPLAGAT, O.; WANYOKO, J.; CHALO, R. Heterosis for Catechins and Caffeine in Kenyan Tea (Camellia sinensis) (L.)O. Kuntze). International Journal of Tea Science, v. 13, n. 01 and 02, p. 60-71, 30 dez. 2017.