https://socialstudies.sushilsilwal.com.np/grade-xii/%e0%a4%8f%e0%a4%95%e0%a4%be%e0%a4%87-%e0%a5%ad-%e0%a4%b8%e0%a4%be%e0%a4%ae%e0%a4%be%e0%a4%9c%e0%a4%bf%e0%a4%95-%e0%a4%aa%e0%a4%b9%e0%a4%bf%e0%a4%9a%e0%a4%be%e0%a4%a8-%e0%a4%b0-%e0%a4%b5%e0%a4%bf/%e0%a4%aa%e0%a4%be%e0%a4%a0-%e0%a5%aa-%e0%a4%85%e0%a4%aa%e0%a4%be%e0%a4%99%e0%a5%8d%e0%a4%97%e0%a4%a4%e0%a4%be-%e0%a4%b0-%e0%a4%b8%e0%a4%ae%e0%a4%be%e0%a4%b5%e0%a5%87%e0%a4%b6%e0%a5%80%e0%a4%95/activities/