G.O. Otegbeye. 1995. “PROVENANCE - SITE INTERACTION IN <em>PINUS</em> <em>CARIBAEA</Em> AND ITS IMPLICATIONS FOR GENETIC IMPROVEMENT AND AFFORESTATION PROGRAMMES IN THE NIGERIAN SAVANNA”. Journal of Tropical Forest Science (JTFS) 8 (2):147-54. https://jtfs.frim.gov.my/jtfs/article/view/1727.