Al-Mahdawe, Muthana M., and Batoul. M. Alwan. “THE EFFECT OF DENSITIES CULTURE OF CELL SUSPENSION PLANT Withania Somnifera L. IN CELL PLATING AND ARRAY METHOD IN THE FORMATION OF CALLUS PRIMORDIAS”. Diyala Agricultural Sciences Journal , vol. 9, no. special Issue, Dec. 2017, pp. 73-82, https://journal.djas.uodiyala.edu.iq/index.php/dasj/article/view/3523.