KEC publication ko book ko google drive ko link haii
https://drive.google.com/drive/folders/1f54ubVKkagP2b2RLCBlhaxT8FYkR_ieh
https://drive.google.com/drive/folders/1f54ubVKkagP2b2RLCBlhaxT8FYkR_ieh
mathematics-II handwritten Notes
https://drive.google.com/drive/folders/1CYhXqqEyqkJ_XKXokUFup9UvbpEJfe2F
https://drive.google.com/drive/folders/1CYhXqqEyqkJ_XKXokUFup9UvbpEJfe2F