“GENETIC STUDIES IN A TROPICAL PINE - PINUS KESIYA I. INHERITANCE OF SOME ISOENZYMES AND LINKAGE AMONG ALLOZYME LOCI”. JOURNAL OF TROPICAL FOREST SCIENCE, vol. 3, no. 1, Sept. 1990, pp. 35-43, https://jtfs.frim.gov.my/jtfs/article/view/2029.