M.S. Amir Husni, H. Mohd. Ghazali, W.C. Suhaimi, and Y. Adzmi, “WHICH LEAF POSITION IN THE CROWN OF <em>TECTONA</em> <em>GRANDIS</em> (TEAK) SHOULD BE SAMPLED FOR FERTILITY (NUTRITIONAL) EVALUATION?”, JTFS, vol. 9, no. 1, pp. 35–43, Sep. 1996.