Your best place to find 2007 past papers of principles of economics 11th class from bise lahore board. These old up to date papers can be downloaded or viewed online.
Principles of Economics Past Papers 2007 Lahore Board
2007 Principles of economics Past Papers 11th Class BISE Lahore Board Analysis
Campus.pk gives you unique insight into each past paper about what are the top chapters and topics.
Principles-of-economics Past Papers 11th Class BISE Lahore Board