Sukhovirska, Liudmyla P., et al. “SYSTEMS OF VIRTUAL LABORATORY WORKS ON BIOPHYSICS AS A MEANS OF IMPLEMENTING THE PRINCIPLE OF PROFESSIONAL ORIENTATION OF STUDENT TRAINING”. Information Technologies and Learning Tools, vol. 70, no. 2, Apr. 2019, pp. 141-54, https://doi.org/10.33407/itlt.v70i2.2657.