7Jansen P C M. Artocarpus integer (Thunb.) Merr. In: Plant Resources of South-East Asia 2[M]. Edible fruits and nuts, E. W. M. Verheij and E. R. Coronel (eds.). PROSEA. Wageningen: Pudoe, 1991 :91-94.
8Ochse J J. Tropical and Subtropical Agriculture[M]. New York: Macmillan, 1961 : 649-652.
9Molesworth Allen B. Common Malaysian Fruits [M]. Longman, 1975.