Wolle, Hailie Shiferaw, et al. “Effects of Ziziphus Spina-Christi (L.) on Selected Soil Properties and Sorghum Yield in Habru District, North Wollo, Ethiopia”. Malaysian Journal of Medical and Biological Research, vol. 6, no. 2, Dec. 2019, pp. 85-92, https://doi.org/10.18034/mjmbr.v6i2.477.