Below is a matter of National Science Olympiad For Senior High School used in the national science olympiad (OSN). You can download it by clicking on the word download in addition to the title the following exam in the second paragraf. You can use this problem to train your students to become the champion in the competition of national science olympiad. Good luck.
National Applied Science Olympiad (OSN Sains Terapan) download. If you find a 404 not found in the page download, please reload the page download. You may be able to search for and download files on a national science olympiad or national exam by clicking the link below.