M.S. Amir Husni, H. Mohd. Ghazali, W.C. Suhaimi and Y. Adzmi 1996. WHICH LEAF POSITION IN THE CROWN OF <em>TECTONA</em> <em>GRANDIS</em> (TEAK) SHOULD BE SAMPLED FOR FERTILITY (NUTRITIONAL) EVALUATION?. Journal of Tropical Forest Science (JTFS) . 9, 1 (Sep. 1996), 35–43.