SELECTION:
• http://www.youtube.com/watch?v=3titr0Hx8UU
  BUBBLE:
• http://www.youtube.com/watch?v=kMoZDRMFM-Y
• http://www.youtube.com/watch?v=vxENKlcs2Tw
  QUICKSORT:
• http://www.youtube.com/watch?v=cNB5JCG3vts
• http://www.youtube.com/watch?v=vxENKlcs2Tw
  MERGE SORT:
• http://www.youtube.com/watch?v=GCae1WNvnZM
• http://www.youtube.com/watch?v=dVaHHwtf8KM
  HANOI:
• http://www.mathcs.org/java/programs/Hanoi/
• http://www.cut-the-knot.org/recurrence/hanoi.shtml