Silva, I. C. de O.; Garlet, J.; Morais, V. A.; Araújo, E. J. G. de; Silva, J. R. de O.; Curto, R. D. A. EQUATIONS AND FORM FACTOR BY SPECIES INCREASE THE PRECISION AND ACCURACY FOR ESTIMATING TREE VOLUME IN THE AMAZON. RF 2022, 52, 268-276.