The document discusses the use of secondary data in research. It notes that secondary data can provide valuable information and insights while complementing primary research. It then provides examples of internal and external secondary sources, and how secondary data can be used in business research to identify problems, develop research designs, answer questions, and interpret primary data. The document also presents a case study on how Pharma Health Pakistan uses secondary data to support primary research, save time and costs, identify problems, and gain advantages over competitors. It analyzes the strengths, weaknesses, opportunities and threats to Pharma Health from using secondary data. The conclusion recommends using accurate, high-quality, current secondary data to reduce the need for primary research.