Uar, N. I. “SIFAT FISIS KAYU EBONI (DIOSPYRUS SP) PADA POSISI VERTIKAL: (Physical Properties Ebony Wood of the Vertical Position)”. Uniqbu Journal of Exact Sciences, vol. 1, no. 2, Aug. 2020, pp. 18-22, doi:10.47323/ujes.v1i2.21.