The resource that is popular and effective. In the study, information on products and services in the market. And consumer information is used to research data.
That is the data source that is popular and effective. To learn about the products and services on the market as well as consumer information that apply to research data.
which is a source which is very popular and effective in the study information about the products and services as well as information of the consumers in the market, it is used in the Research data.