D. Perez. “HEARTWOOD, SAPWOOD AND BARK CONTENTS OF <em>BOMBACOPSIS</em> <em>QUINATA</Em> IN COSTA RICA”. Journal of Tropical Forest Science (JTFS), vol. 16, no. 3, July 2022, pp. 318-27, https://jtfs.frim.gov.my/jtfs/article/view/1079.