https://inlibrary.uz/index.php/approaches_to_modern_science https://inlibrary.uz/index.php/approaches_to_modern_science/issue/archive https://inlibrary.uz/index.php/approaches_to_modern_science/article/view/3648 https://inlibrary.uz/index.php/approaches_to_modern_science/article/view/3649 https://inlibrary.uz/index.php/approaches_to_modern_science/article/view/3652 https://inlibrary.uz/index.php/approaches_to_modern_science/article/view/3655 https://inlibrary.uz/index.php/approaches_to_modern_science/article/view/3658 https://inlibrary.uz/index.php/approaches_to_modern_science/article/view/3660 https://inlibrary.uz/index.php/approaches_to_modern_science/article/view/3663