C. Liengsiri, C. Piewluang, and T.J.B. Boyle. 1990. “CHARACTERIZATION OF ISOZYMES OF THREE TROPICAL TREE SPECIES - EFFECT OF EXTRACTION AND RUNNING BUFFERS ON STAINING INTENSITY AND RESOLUTION”. Journal of Tropical Forest Science (JTFS) 3 (2):111-22. https://jtfs.frim.gov.my/jtfs/article/view/2041.