Secondary issue. Primary research. Primary vs secondary data. Primary and secondary resources. Secondary issue.
Primary secondary. Primary sector secondary sector and tertiary sector. Functions of primary and secondary market. Primary source. Secondary issue.
Secondary issue. Secondary issue. Primary and secondary reinforcement. Primary distribution и secondary transportation. Primary research secondary research.
Primary and secondary information. Primary and secondary research. Primary secondary tertiary sector of economy. Primary secondary tertiary sector of economy. Primary and secondary data.
Secondary sources. Primary and secondary research. Secondary issue. Secondary data collection. Secondary sources.