Sharifjanovna, Q. M. (2021) “Perpendicularity of a Straight Line to a Plane and a Plane to a Plane”, International Journal of Innovative Analyses and Emerging Technology, 1(5), pp. 70–71. Available at: https://oajournals.net/index.php/ijiaet/article/view/378 (Accessed: 18 October 2024).