Stojanova, A., M. Kocaleva, M. Luledjieva, and S. Koceski. “HIGH LEVEL ACTIVITY RECOGNITION USING ANDROID SMART PHONE SENSORS - REVIEW”. Balkan Journal of Applied Mathematics and Informatics, Vol. 2, no. 2, Dec. 2019, pp. 27-36, https://js.ugd.edu.mk/index.php/bjami/article/view/3277.