BCom CA
127 Points
Joined August 2011
You can go to this link...
https://www.youtube.com/watch?v=a2QgdDk4Xjw&feature=BFa&list=PL94ADC511A28995FA
This is a lecture by iit chennai professor available online free of cost. You can easily learn linear programming, transportation, assignment & Critical path Method from his lectures on this channel. This link is for a playlist video, therefore you may be able to find maximum topics in this.
His explanation is one up!! and there are no second doubts about it. For solving and practicin problems, i think PC tulsian is best. His books specifically state that its meant for self study.