G. Sibomana, F.B.S. Makonda, R.E. Malimbwi, S.A.O. Chamshama and S. Iddi 1997. EFFECT OF SPACING ON PERFORMANCE OF TEAK AT LONGUZA, TANGA, TANZANIA. Journal of Tropical Forest Science (JTFS) . 10, 2 (Dec. 1997), 176–187.