Abdimital, Nabiev, and Bayzakov Abjalil. 2021. “Calculation of a Bar for Strength and Rigidity Based on Principle of Harmonization of Traditional and Personally-Oriented Education Methods”. European Journal of Life Safety and Stability (2660-9630), December, 143-50. http://ejlss.indexedresearch.org/index.php/ejlss/article/view/380.