E. E. de Souza Júnior, J. B. Duarte, and L. J. Chaves, “PHENOTYPIC STABILITY OF GUAVA (Psidium guajava L.) WITH EMPHASIS ON FRUIT WEIGHT, PRECOCITY AND CROPPING PERIOD”, Pesq. Agropec. Trop., vol. 32, no. 2, pp. 97–103, Nov. 2007.