Al-Mahdawe, M. M. . . . . . . . . . . ., Ahmed, T. A. . and Nadir, D. S. . (2018) “Effect of Different Cell Suspension Culture Densities of Physalis angulata L. by Using Plating or Embedding Methods on the Callus Formation”, Journal of Biotechnology Research Center, 12(1), pp. 25–32. doi: 10.24126/jobrc.2018.12.1.545.