http://jbiet.edu.in/pagecontents.php?dept=8&prodid=513

http://jbiet.edu.in/coursefiles/cse/HO/cse4/SAN1.pdf
http://jbiet.edu.in/coursefiles/cse/HO/cse4/SAN2.pdf
http://jbiet.edu.in/coursefiles/cse/HO/cse4/SAN3.pdf
http://jbiet.edu.in/coursefiles/cse/HO/cse4/SAN4.pdf