Ostrikov, Valery, Dar Alsaadi, and Alla Zabrodskaya. “Mathematical Model Of Motion Of Balls In A Planetary Mill: Theory And Experiment”. Al-Salam Journal for Engineering and Technology 1, no. 2 (July 23, 2022): 25–29. Accessed November 23, 2024. https://journal.alsalam.edu.iq/index.php/ajest/article/view/34.