Sharabaev Ulugbek Mukhamedovich. WORKING IMAGE OF GEOMETRIC SHAPES IN PENCIL DRAWING. Int. j. innov. eng. res. technol. [Internet]. 2022 Nov. 15 [cited 2024 Nov. 20];9(11):204-7. Available from: https://repo.ijiert.org/index.php/ijiert/article/view/3423