... Data source Collecting data is vital for any research, and it needs carefully performing in order to have credible data. Data, in general, is divided as two types, primary data and secondary ... People, and Profit in business strategy of company. This theory is considered as the detail of TBL theory, which is stated above, in that Profit is financial line, People is social line, and Planet ... secondary data, and in this research, both primary data and secondary data will be used. 3.3.1 Primary data Primary data consists of information collected for the specific purpose at hand (Amstrong...