Aderinsola Sadiku, N., and A. Kafilat Adejoke. “Fibre Morphological Variations of Some Nigerian Guinea Savannah Wood Species”. Maderas-Cienc Tecnol, vol. 21, no. 2, Apr. 2019, pp. 239-48, https://revistas.ubiobio.cl/index.php/MCT/article/view/3374.