Kubiyeva, S., A. Akhmetova, K. Islamova, N. Mambetov, A. Aralbayev, and G. Sholpankulova. “Electronic Physical Education Textbook: Effective or Not? Experimental Study”. International Journal of Emerging Technologies in Learning (iJET), vol. 15, no. 15, Aug. 2020, pp. pp. 64-78, doi:10.3991/ijet.v15i15.14273.