Maiti, Ratikanta, and Humberto Gonzalez Rodriguez. “Comparative Study on Carbon Fixation, Leaf Canopy, Leaf Nutrients and Its Possible Relation to Wood Density”. International Journal of Economic Plants, vol. 4, no. Aug, 3, Aug. 2017, pp. 102-6, https://ojs.pphouse.org/index.php/IJEP/article/view/4510.