Rihsibaeva Н. РX, Yedylbaev U. ЕУ. Replanting a plane with level lines as a rational approach to solving problems of descriptive geometry. prengpe [Internet]. 2022 Dec. 27 [cited 2024 Nov. 21];51(6):23. Available from: https://bulprengpe.enu.kz/index.php/main/article/view/195