Toshov, B., A. Nietbaev, and A. Ismatov. “VINTSIMON HARAKATDA QATTIQ JISMNING IXTIYORIY NUQTASINING HARAKAT TENGLAMASI VA TEZLIGI”. Educational Research in Universal Sciences, vol. 2, no. 3 SPECIAL, May 2023, pp. 473-6, http://erus.uz/index.php/er/article/view/2391.