National Research Council

Recommended dietary allowances : = the most authoritative source of information on nutrient allowances for healthy people / by: National Research Council (書目-語言資料,印刷品)

Technically speaking : = why all Americans need to know more about technology / by: Committee on Technological Literary; National Academy of Engineering; National Research Council; Pearson, Greg; Young, A. Thomas (書目-語言資料,印刷品)