The easiest way is to hire a recruitment consultant who specialises into this requirement .
However , if you want to resource it in house, please find the sources where you would find the target talent , such as graduate colleges. You can approach the campus hiring teams and coordinate with them for a recruitment drive at your firm.
News paper advertisement works well, if you have the budget for it.
Using Facebook might be an option not a promise.
1st June 2013 From India, Mumbai