Mazo, K. R. F., and L. G. Aribal. “Elucidating Differences Between Two Confusing Shorea Contorta S. Vid and Pentacme Mindanensis Foxw. Species of Dipterocarpaceae via Leaf Morphometrics: An Initial Investigation”. Bangladesh Journal of Plant Taxonomy, vol. 27, no. 2, Dec. 2020, pp. 461-5, doi:10.3329/bjpt.v27i2.50685.